FR679247A - Safety device for submarines - Google Patents
Safety device for submarinesInfo
- Publication number
- FR679247A FR679247A FR679247DA FR679247A FR 679247 A FR679247 A FR 679247A FR 679247D A FR679247D A FR 679247DA FR 679247 A FR679247 A FR 679247A
- Authority
- FR
- France
- Prior art keywords
- submarines
- safety device
- safety
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
- B63G8/14—Control of attitude or depth
- B63G8/22—Adjustment of buoyancy by water ballasting; Emptying equipment for ballast tanks
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR679247T | 1929-07-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR679247A true FR679247A (en) | 1930-04-10 |
Family
ID=9021553
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR679247D Expired FR679247A (en) | 1929-07-25 | 1929-07-25 | Safety device for submarines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR679247A (en) |
-
1929
- 1929-07-25 FR FR679247D patent/FR679247A/en not_active Expired
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