FR767660A - - Google Patents
Info
- Publication number
- FR767660A FR767660A FR767660DA FR767660A FR 767660 A FR767660 A FR 767660A FR 767660D A FR767660D A FR 767660DA FR 767660 A FR767660 A FR 767660A
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR767660A true FR767660A (cs) | 1934-07-20 |
Family
ID=1551624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR767660D Expired FR767660A (cs) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR767660A (cs) |
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0
- FR FR767660D patent/FR767660A/fr not_active Expired