FR526207A - Extraction device applicable in mines - Google Patents
Extraction device applicable in minesInfo
- Publication number
- FR526207A FR526207A FR526207A FR526207DA FR526207A FR 526207 A FR526207 A FR 526207A FR 526207 A FR526207 A FR 526207A FR 526207D A FR526207D A FR 526207DA FR 526207 A FR526207 A FR 526207A
- Authority
- FR
- France
- Prior art keywords
- mines
- extraction device
- device applicable
- applicable
- extraction
- 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
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/34—Safe lift clips; Keps
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR526207T | 1920-10-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR526207A true FR526207A (en) | 1921-10-05 |
Family
ID=8920591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR526207A Expired FR526207A (en) | 1920-10-18 | 1920-10-18 | Extraction device applicable in mines |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR526207A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3759349A (en) * | 1972-03-13 | 1973-09-18 | Otis Elevator Co | Elevator system with temporary hoistway structure and method for use thereof |
-
1920
- 1920-10-18 FR FR526207A patent/FR526207A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3759349A (en) * | 1972-03-13 | 1973-09-18 | Otis Elevator Co | Elevator system with temporary hoistway structure and method for use thereof |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR526207A (en) | Extraction device applicable in mines | |
FR525070A (en) | Stop device | |
FR516589A (en) | Safety device mounted in the locks | |
FR558401A (en) | Improvements in funnels | |
FR517902A (en) | Device for setting the hideout in watches | |
FR537465A (en) | Reduction device | |
FR607925A (en) | Device for pushing up the explosive charge in the extraction galleries | |
FR522039A (en) | Advanced ebullioscope device | |
FR514911A (en) | Improvements in HE shells | |
FR525781A (en) | Improvements in carburetors | |
FR520712A (en) | Improvements in carburetors | |
FR524410A (en) | Warning device | |
FR528069A (en) | Improvements in powder-sulfur | |
FR527281A (en) | Improvements in cinematographs | |
FR551141A (en) | Improvements in cinematographs | |
FR558196A (en) | Improvements in areoplanes | |
FR531567A (en) | Crane anchoring device | |
FR527168A (en) | Coupling device | |
FR624658A (en) | Skimming device | |
FR533983A (en) | Improvements in coupling devices | |
FR505201A (en) | Device to protect the eyes | |
FR573129A (en) | Improvements in gloves | |
FR533769A (en) | Improvements in cinematographs | |
FR523867A (en) | Improvement in drills | |
FR521394A (en) | Advertising device |