FR873911A - Perfectionnements apportés aux procédés de prospection de gisements souterrains - Google Patents
Perfectionnements apportés aux procédés de prospection de gisements souterrainsInfo
- Publication number
- FR873911A FR873911A FR873911DA FR873911A FR 873911 A FR873911 A FR 873911A FR 873911D A FR873911D A FR 873911DA FR 873911 A FR873911 A FR 873911A
- Authority
- FR
- France
- Prior art keywords
- processes
- underground deposit
- prospecting
- deposit prospecting
- underground
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G5/00—Weighing apparatus wherein the balancing is effected by fluid action
- G01G5/04—Weighing apparatus wherein the balancing is effected by fluid action with means for measuring the pressure imposed by the load on a liquid
- G01G5/045—Weighing apparatus wherein the balancing is effected by fluid action with means for measuring the pressure imposed by the load on a liquid combined with means for totalising the pressure imposed by several load-cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V9/00—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00
- G01V9/007—Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00 by detecting gases or particles representative of underground layers at or near the surface
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US873911XA | 1939-02-20 | 1939-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR873911A true FR873911A (fr) | 1942-07-23 |
Family
ID=22204910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR873911D Expired FR873911A (fr) | 1939-02-20 | 1940-02-08 | Perfectionnements apportés aux procédés de prospection de gisements souterrains |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR873911A (fr) |
-
1940
- 1940-02-08 FR FR873911D patent/FR873911A/fr not_active Expired
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