FR632863A - - Google Patents
Info
- Publication number
- FR632863A FR632863A FR632863DA FR632863A FR 632863 A FR632863 A FR 632863A FR 632863D A FR632863D A FR 632863DA FR 632863 A FR632863 A FR 632863A
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25D—PERCUSSIVE TOOLS
- B25D9/00—Portable percussive tools with fluid-pressure drive, i.e. driven directly by fluids, e.g. having several percussive tool bits operated simultaneously
- B25D9/14—Control devices for the reciprocating piston
- B25D9/16—Valve arrangements therefor
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR632863A true FR632863A (en) | 1928-01-16 |
Family
ID=1541910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR632863D Expired FR632863A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR632863A (en) |
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0
- FR FR632863D patent/FR632863A/fr not_active Expired