FR911909A - Etrésillon-vérin - Google Patents
Etrésillon-vérinInfo
- Publication number
- FR911909A FR911909A FR911909DA FR911909A FR 911909 A FR911909 A FR 911909A FR 911909D A FR911909D A FR 911909DA FR 911909 A FR911909 A FR 911909A
- Authority
- FR
- France
- Prior art keywords
- trésillon
- cylinder
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/006—Means for anchoring the drilling machine to the ground
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR911909T | 1945-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR911909A true FR911909A (fr) | 1946-07-24 |
Family
ID=9420969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR911909D Expired FR911909A (fr) | 1945-07-02 | 1945-07-02 | Etrésillon-vérin |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR911909A (fr) |
-
1945
- 1945-07-02 FR FR911909D patent/FR911909A/fr not_active Expired
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