NO831127L - Bakfyllingsmateriale for magnesiumofferanoder - Google Patents
Bakfyllingsmateriale for magnesiumofferanoderInfo
- Publication number
- NO831127L NO831127L NO831127A NO831127A NO831127L NO 831127 L NO831127 L NO 831127L NO 831127 A NO831127 A NO 831127A NO 831127 A NO831127 A NO 831127A NO 831127 L NO831127 L NO 831127L
- Authority
- NO
- Norway
- Prior art keywords
- bentonite
- sodium
- material according
- approx
- magnesium
- Prior art date
Links
- 239000000463 material Substances 0.000 title claims description 54
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 title claims description 21
- 229910052749 magnesium Inorganic materials 0.000 title claims description 21
- 239000011777 magnesium Substances 0.000 title claims description 21
- 229910000281 calcium bentonite Inorganic materials 0.000 claims description 39
- 229910000278 bentonite Inorganic materials 0.000 claims description 34
- 239000000440 bentonite Substances 0.000 claims description 34
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 34
- 239000000203 mixture Substances 0.000 claims description 16
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 15
- 235000010338 boric acid Nutrition 0.000 claims description 15
- 229910015444 B(OH)3 Inorganic materials 0.000 claims description 13
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 11
- 229910052708 sodium Inorganic materials 0.000 claims description 11
- 239000011734 sodium Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 9
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 8
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 8
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 8
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical group [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 6
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical group CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 claims description 6
- 229950004394 ditiocarb Drugs 0.000 claims description 6
- 239000004615 ingredient Substances 0.000 claims description 6
- 239000001632 sodium acetate Substances 0.000 claims description 6
- 235000017281 sodium acetate Nutrition 0.000 claims description 6
- GBAOBIBJACZTNA-UHFFFAOYSA-L calcium sulfite Chemical compound [Ca+2].[O-]S([O-])=O GBAOBIBJACZTNA-UHFFFAOYSA-L 0.000 claims description 5
- 239000004295 calcium sulphite Substances 0.000 claims description 5
- 235000010261 calcium sulphite Nutrition 0.000 claims description 5
- 235000010265 sodium sulphite Nutrition 0.000 claims description 4
- 235000012216 bentonite Nutrition 0.000 description 30
- 229940092782 bentonite Drugs 0.000 description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 239000002689 soil Substances 0.000 description 8
- 229910052742 iron Inorganic materials 0.000 description 6
- -1 alkali metal sulphites Chemical class 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 229910052602 gypsum Inorganic materials 0.000 description 5
- 239000010440 gypsum Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- ONCZQWJXONKSMM-UHFFFAOYSA-N dialuminum;disodium;oxygen(2-);silicon(4+);hydrate Chemical compound O.[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Na+].[Na+].[Al+3].[Al+3].[Si+4].[Si+4].[Si+4].[Si+4] ONCZQWJXONKSMM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910000280 sodium bentonite Inorganic materials 0.000 description 4
- 229940080314 sodium bentonite Drugs 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- 229910052938 sodium sulfate Inorganic materials 0.000 description 3
- 235000011152 sodium sulphate Nutrition 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 229910000861 Mg alloy Inorganic materials 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000004327 boric acid Substances 0.000 description 2
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 238000004210 cathodic protection Methods 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 2
- 239000012990 dithiocarbamate Substances 0.000 description 2
- 150000004659 dithiocarbamates Chemical class 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 229910052901 montmorillonite Inorganic materials 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 159000000000 sodium salts Chemical class 0.000 description 2
- 230000004580 weight loss Effects 0.000 description 2
- 229910018626 Al(OH) Inorganic materials 0.000 description 1
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910003023 Mg-Al Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 239000001175 calcium sulphate Substances 0.000 description 1
- 235000011132 calcium sulphate Nutrition 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- ZHXTWWCDMUWMDI-UHFFFAOYSA-N dihydroxyboron Chemical compound O[B]O ZHXTWWCDMUWMDI-UHFFFAOYSA-N 0.000 description 1
- ZOMNIUBKTOKEHS-UHFFFAOYSA-L dimercury dichloride Chemical class Cl[Hg][Hg]Cl ZOMNIUBKTOKEHS-UHFFFAOYSA-L 0.000 description 1
- VDQVEACBQKUUSU-UHFFFAOYSA-M disodium;sulfanide Chemical compound [Na+].[Na+].[SH-] VDQVEACBQKUUSU-UHFFFAOYSA-M 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- JESHZQPNPCJVNG-UHFFFAOYSA-L magnesium;sulfite Chemical compound [Mg+2].[O-]S([O-])=O JESHZQPNPCJVNG-UHFFFAOYSA-L 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 229960004249 sodium acetate Drugs 0.000 description 1
- 229910052979 sodium sulfide Inorganic materials 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
- C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
- C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
- C23F13/08—Electrodes specially adapted for inhibiting corrosion by cathodic protection; Manufacture thereof; Conducting electric current thereto
- C23F13/22—Monitoring arrangements therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S106/00—Compositions: coating or plastic
- Y10S106/04—Bentonite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S106/00—Compositions: coating or plastic
- Y10S106/90—Soil stabilization
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Prevention Of Electric Corrosion (AREA)
- Mold Materials And Core Materials (AREA)
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/353,463 US4427517A (en) | 1982-03-01 | 1982-03-01 | Underground backfill for magnesium anodes |
| NO831127A NO831127L (no) | 1982-03-01 | 1983-03-28 | Bakfyllingsmateriale for magnesiumofferanoder |
| GB08308476A GB2137228A (en) | 1982-03-01 | 1983-03-28 | Underground backfill for magnesium anodes |
| EP83200452A EP0120148A1 (en) | 1982-03-01 | 1983-03-29 | Underground backfill for magnesium anodes |
| AU12955/83A AU1295583A (en) | 1982-03-01 | 1983-03-29 | Underground backfill for magnesium anodes |
| BR8301753A BR8301753A (pt) | 1982-03-01 | 1983-03-30 | Enchimento para anodos de magnesio enterrados |
| JP58054996A JPS6010112B2 (ja) | 1982-03-01 | 1983-03-30 | マグネシウム陽極のための地下の埋め戻し組成物 |
| ES521267A ES521267A0 (es) | 1982-03-01 | 1983-04-06 | Un procedimiento para la proteccion catodica de estructuras ferreas. |
Applications Claiming Priority (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/353,463 US4427517A (en) | 1982-03-01 | 1982-03-01 | Underground backfill for magnesium anodes |
| NO831127A NO831127L (no) | 1982-03-01 | 1983-03-28 | Bakfyllingsmateriale for magnesiumofferanoder |
| GB08308476A GB2137228A (en) | 1982-03-01 | 1983-03-28 | Underground backfill for magnesium anodes |
| EP83200452A EP0120148A1 (en) | 1982-03-01 | 1983-03-29 | Underground backfill for magnesium anodes |
| AU12955/83A AU1295583A (en) | 1982-03-01 | 1983-03-29 | Underground backfill for magnesium anodes |
| BR8301753A BR8301753A (pt) | 1982-03-01 | 1983-03-30 | Enchimento para anodos de magnesio enterrados |
| JP58054996A JPS6010112B2 (ja) | 1982-03-01 | 1983-03-30 | マグネシウム陽極のための地下の埋め戻し組成物 |
| ES521267A ES521267A0 (es) | 1982-03-01 | 1983-04-06 | Un procedimiento para la proteccion catodica de estructuras ferreas. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NO831127L true NO831127L (no) | 1984-10-01 |
Family
ID=34139990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO831127A NO831127L (no) | 1982-03-01 | 1983-03-28 | Bakfyllingsmateriale for magnesiumofferanoder |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4427517A (pt) |
| EP (1) | EP0120148A1 (pt) |
| JP (1) | JPS6010112B2 (pt) |
| AU (1) | AU1295583A (pt) |
| BR (1) | BR8301753A (pt) |
| ES (1) | ES521267A0 (pt) |
| GB (1) | GB2137228A (pt) |
| NO (1) | NO831127L (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4623435A (en) * | 1983-09-01 | 1986-11-18 | Columbia Gas System Service Corporation | Backfill for magnesium anodes |
| US4861449A (en) * | 1988-02-08 | 1989-08-29 | St Onge Hank | Composite anode |
| CA2108469C (en) * | 1991-04-15 | 2001-02-06 | Vsevolod V. Pritula | Method for electric protection of metal object, grounding electrode for effecting this method and composition for the grounding electrode |
| CN109161902A (zh) * | 2018-09-27 | 2019-01-08 | 江苏清源管道技术有限公司 | 一种新型天然气管道防腐装置及方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2478479A (en) | 1947-02-03 | 1949-08-09 | Dow Chemical Co | Cored magnesium anode in galvanic protection |
| US2601214A (en) | 1947-05-02 | 1952-06-17 | Dow Chemical Co | Cathodic protection of underground metals |
| US2567855A (en) | 1947-07-09 | 1951-09-11 | Dow Chemical Co | Rapid-wetting bentonite-calcium sulfate backfill for cathodic protection |
| US2525665A (en) | 1948-01-07 | 1950-10-10 | Dow Chemical Co | Packaged galvanic anodes for cathodic protection |
| US2480087A (en) | 1948-01-07 | 1949-08-23 | Dow Chemical Co | Rapid-wetting gypsum-base backfill for cathodic protection |
| US2527361A (en) | 1948-10-22 | 1950-10-24 | Dow Chemical Co | Packaged magnesium anode with compacted backfill |
| BE500877A (pt) * | 1950-01-27 | |||
| US2810690A (en) | 1950-08-28 | 1957-10-22 | Houston Oil Field Mat Co Inc | Anode backfill |
| US2805198A (en) * | 1956-02-29 | 1957-09-03 | Dow Chemical Co | Cathodic protection system and anode therefor |
-
1982
- 1982-03-01 US US06/353,463 patent/US4427517A/en not_active Expired - Fee Related
-
1983
- 1983-03-28 NO NO831127A patent/NO831127L/no unknown
- 1983-03-28 GB GB08308476A patent/GB2137228A/en not_active Withdrawn
- 1983-03-29 AU AU12955/83A patent/AU1295583A/en not_active Abandoned
- 1983-03-29 EP EP83200452A patent/EP0120148A1/en not_active Withdrawn
- 1983-03-30 JP JP58054996A patent/JPS6010112B2/ja not_active Expired
- 1983-03-30 BR BR8301753A patent/BR8301753A/pt unknown
- 1983-04-06 ES ES521267A patent/ES521267A0/es active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB8308476D0 (en) | 1983-05-05 |
| GB2137228A (en) | 1984-10-03 |
| JPS59179789A (ja) | 1984-10-12 |
| JPS6010112B2 (ja) | 1985-03-15 |
| EP0120148A1 (en) | 1984-10-03 |
| AU1295583A (en) | 1984-10-04 |
| US4427517A (en) | 1984-01-24 |
| BR8301753A (pt) | 1984-11-13 |
| ES8501455A1 (es) | 1984-06-16 |
| ES521267A0 (es) | 1984-06-16 |
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