FR809276A - - Google Patents
Info
- Publication number
- FR809276A FR809276A FR809276DA FR809276A FR 809276 A FR809276 A FR 809276A FR 809276D A FR809276D A FR 809276DA FR 809276 A FR809276 A FR 809276A
- 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 |
|---|---|
| FR809276A true FR809276A (fr) | 1937-02-27 |
Family
ID=1553237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR809276D Expired FR809276A (fr) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR809276A (fr) |
-
0
- FR FR809276D patent/FR809276A/fr not_active Expired