TWI374195B - - Google Patents
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- Publication number
- TWI374195B TWI374195B TW097103510A TW97103510A TWI374195B TW I374195 B TWI374195 B TW I374195B TW 097103510 A TW097103510 A TW 097103510A TW 97103510 A TW97103510 A TW 97103510A TW I374195 B TWI374195 B TW I374195B
- Authority
- TW
- Taiwan
- Prior art keywords
- mass
- rust
- steel
- corrosion resistance
- corrosion
- Prior art date
Links
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 143
- 238000005260 corrosion Methods 0.000 claims description 127
- 230000007797 corrosion Effects 0.000 claims description 126
- 229910000831 Steel Inorganic materials 0.000 claims description 118
- 239000010959 steel Substances 0.000 claims description 118
- 239000000463 material Substances 0.000 claims description 52
- 229910002588 FeOOH Inorganic materials 0.000 claims description 35
- 229910052802 copper Inorganic materials 0.000 claims description 34
- 229910052759 nickel Inorganic materials 0.000 claims description 33
- 229910052719 titanium Inorganic materials 0.000 claims description 30
- 238000000034 method Methods 0.000 claims description 21
- 229910052717 sulfur Inorganic materials 0.000 claims description 20
- 229910052758 niobium Inorganic materials 0.000 claims description 15
- 229910052720 vanadium Inorganic materials 0.000 claims description 15
- 229910052726 zirconium Inorganic materials 0.000 claims description 12
- 238000002441 X-ray diffraction Methods 0.000 claims description 10
- 229910052684 Cerium Inorganic materials 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 6
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 229910052770 Uranium Inorganic materials 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 229910052721 tungsten Inorganic materials 0.000 claims description 5
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 5
- 229910052791 calcium Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 34
- 239000010410 layer Substances 0.000 description 33
- 230000000694 effects Effects 0.000 description 31
- 230000015572 biosynthetic process Effects 0.000 description 23
- 229910052815 sulfur oxide Inorganic materials 0.000 description 21
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 20
- 230000006872 improvement Effects 0.000 description 17
- 229910052742 iron Inorganic materials 0.000 description 15
- 238000012360 testing method Methods 0.000 description 15
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 14
- 230000000052 comparative effect Effects 0.000 description 12
- 238000003916 acid precipitation Methods 0.000 description 9
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 8
- 238000003915 air pollution Methods 0.000 description 8
- 238000002844 melting Methods 0.000 description 8
- 239000011248 coating agent Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000010935 stainless steel Substances 0.000 description 7
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 6
- 239000011593 sulfur Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229910052746 lanthanum Inorganic materials 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000000523 sample Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052750 molybdenum Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 229910052787 antimony Inorganic materials 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- SZVJSHCCFOBDDC-UHFFFAOYSA-N iron(II,III) oxide Inorganic materials O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 3
- 238000003698 laser cutting Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000000634 powder X-ray diffraction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011002 quantification Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 229920006395 saturated elastomer Polymers 0.000 description 3
- 239000006104 solid solution Substances 0.000 description 3
- 150000004763 sulfides Chemical group 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulfur dioxide Inorganic materials O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910000859 α-Fe Inorganic materials 0.000 description 3
- 229910006299 γ-FeOOH Inorganic materials 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000003490 calendering Methods 0.000 description 2
- 238000011088 calibration curve Methods 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000002050 diffraction method Methods 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 229910052718 tin Inorganic materials 0.000 description 2
- 229910006540 α-FeOOH Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 241000221535 Pucciniales Species 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000009956 embroidering Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000007730 finishing process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000005194 fractionation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000006174 pH buffer Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 150000003464 sulfur compounds Chemical class 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/14—Ferrous alloys, e.g. steel alloys containing titanium or zirconium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C38/00—Ferrous alloys, e.g. steel alloys
- C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Steel (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007020522 | 2007-01-31 | ||
| JP2007303333A JP4185552B2 (ja) | 2007-01-31 | 2007-11-22 | 耐食性に優れた鋼材 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW200902731A TW200902731A (en) | 2009-01-16 |
| TWI374195B true TWI374195B (ja) | 2012-10-11 |
Family
ID=39785003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW097103510A TW200902731A (en) | 2007-01-31 | 2008-01-30 | Steel material having excellent corrosion resistance |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP4185552B2 (ja) |
| KR (1) | KR101120343B1 (ja) |
| CN (1) | CN101589167B (ja) |
| TW (1) | TW200902731A (ja) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5382203B2 (ja) * | 2010-07-29 | 2014-01-08 | 新日鐵住金株式会社 | 酸素を用いた熱切断用鋼材 |
| KR101243011B1 (ko) * | 2010-09-29 | 2013-03-12 | 주식회사 포스코 | 내식성이 우수한 저합금 고강도 열연강판 및 그 제조방법 |
| JP5747473B2 (ja) * | 2010-10-25 | 2015-07-15 | 新日鐵住金株式会社 | 原料石炭の乾燥分級装置 |
| JP6048104B2 (ja) * | 2011-12-26 | 2016-12-21 | Ｊｆｅスチール株式会社 | 石炭船および石炭・鉱石兼用船ホールド用の耐食鋼 |
| KR101674341B1 (ko) | 2013-08-16 | 2016-11-08 | 신닛테츠스미킨 카부시키카이샤 | 용접부 품질이 우수한 전봉 강관 및 그 제조 방법 |
| KR101518578B1 (ko) * | 2013-09-10 | 2015-05-07 | 주식회사 포스코 | 내마모성 및 표면품질이 우수한 황산 및 염산 복합내식용 강판 및 그 제조방법 |
| CN103789614A (zh) * | 2014-01-16 | 2014-05-14 | 安徽省杨氏恒泰钢管扣件加工有限公司 | 一种汽车刹车系统用钢管材料及其制备方法 |
| JP6180956B2 (ja) * | 2014-02-13 | 2017-08-16 | 株式会社神戸製鋼所 | 耐食性に優れる塗装鋼材 |
| CN103866188B (zh) * | 2014-03-31 | 2016-01-20 | 武汉钢铁(集团)公司 | 屈服强度为460MPa级耐火耐腐蚀抗震建筑用钢及生产方法 |
| KR101943240B1 (ko) * | 2014-12-09 | 2019-01-28 | 제이에프이 스틸 가부시키가이샤 | 내후성이 우수한 구조용 강재 |
| JP6631842B2 (ja) * | 2015-12-25 | 2020-01-15 | 株式会社豊田中央研究所 | 酸化触媒、及び鉄化合物粒子の製造方法 |
| CN108642386B (zh) * | 2016-10-17 | 2020-02-04 | 日照钢铁控股集团有限公司 | 一种耐海水腐蚀的高强度钢 |
| CN107245631A (zh) * | 2017-04-28 | 2017-10-13 | 四川和鼎环保工程有限责任公司 | 耐腐蚀的光伏板边框框架 |
| CN107557665A (zh) * | 2017-08-30 | 2018-01-09 | 包头钢铁（集团）有限责任公司 | 一种屈服强度345MPa级稀土耐候桥梁钢板及其生产方法 |
| CN108165897A (zh) * | 2017-12-07 | 2018-06-15 | 安徽科汇钢结构工程有限公司 | 一种用于钢结构网架生产的金属钢材料 |
| CN114990452B (zh) * | 2022-08-08 | 2022-11-01 | 中特泰来模具技术有限公司 | 一种易切削模架钢及其制备方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11315344A (ja) * | 1998-04-30 | 1999-11-16 | Kawasaki Steel Corp | 高海岸耐侯性鋼材 |
| JP2000017382A (ja) * | 1998-07-03 | 2000-01-18 | Nippon Steel Corp | 耐硫酸腐食性に優れた鋼 |
| KR100319302B1 (ko) * | 1999-02-25 | 2002-01-04 | 구마모토 마사히로 | 내식성(耐食性)이 우수한 강재 및 이 강재를 이용한 구조물 |
| JP4427207B2 (ja) * | 2001-05-01 | 2010-03-03 | 新日本製鐵株式会社 | 冷間加工性、高温特性、耐低温腐食性に優れた鋼およびその製造方法 |
| JP4319817B2 (ja) * | 2001-11-19 | 2009-08-26 | 新日本製鐵株式会社 | 耐塩酸腐食性および耐硫酸腐食性に優れた低合金鋼およびその溶接継手 |
-
2007
- 2007-11-22 JP JP2007303333A patent/JP4185552B2/ja not_active Expired - Fee Related
-
2008
- 2008-01-25 CN CN2008800022925A patent/CN101589167B/zh not_active Expired - Fee Related
- 2008-01-25 KR KR1020097016029A patent/KR101120343B1/ko not_active Expired - Fee Related
- 2008-01-30 TW TW097103510A patent/TW200902731A/zh not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008208452A (ja) | 2008-09-11 |
| TW200902731A (en) | 2009-01-16 |
| JP4185552B2 (ja) | 2008-11-26 |
| KR101120343B1 (ko) | 2012-02-24 |
| KR20090098912A (ko) | 2009-09-17 |
| CN101589167A (zh) | 2009-11-25 |
| CN101589167B (zh) | 2011-10-12 |
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