FR742644A - - Google Patents
Info
- Publication number
- FR742644A FR742644A FR742644DA FR742644A FR 742644 A FR742644 A FR 742644A FR 742644D A FR742644D A FR 742644DA FR 742644 A FR742644 A FR 742644A
- 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
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR742644A true FR742644A (xx) | 1933-03-10 |
Family
ID=1547027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR742644D Expired FR742644A (xx) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR742644A (xx) |
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0
- FR FR742644D patent/FR742644A/fr not_active Expired