FR742542A - - Google Patents
Info
- Publication number
- FR742542A FR742542A FR742542DA FR742542A FR 742542 A FR742542 A FR 742542A FR 742542D A FR742542D A FR 742542DA FR 742542 A FR742542 A FR 742542A
- Authority
- FR
- France
- 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
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B7/00—Barrages or weirs; Layout, construction, methods of, or devices for, making same
- E02B7/20—Movable barrages; Lock or dry-dock gates
- E02B7/26—Vertical-lift gates
- E02B7/36—Elevating mechanisms for vertical-lift gates
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742542A true FR742542A (xx) | 1933-03-08 |
Family
ID=1546938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742542D Expired FR742542A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742542A (xx) |
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0
- FR FR742542D patent/FR742542A/fr not_active Expired