FR416837A - Survey device - Google Patents
Survey deviceInfo
- Publication number
- FR416837A FR416837A FR416837DA FR416837A FR 416837 A FR416837 A FR 416837A FR 416837D A FR416837D A FR 416837DA FR 416837 A FR416837 A FR 416837A
- Authority
- FR
- France
- Prior art keywords
- survey device
- survey
- 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
- E21B4/00—Drives for drilling, used in the borehole
- E21B4/04—Electric drives
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 |
---|---|---|---|
FR416837T | 1910-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR416837A true FR416837A (en) | 1910-10-29 |
Family
ID=1460299
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR416837D Expired FR416837A (en) | 1910-06-06 | 1910-06-06 | Survey device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR416837A (en) |
-
1910
- 1910-06-06 FR FR416837D patent/FR416837A/en not_active Expired
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