FR741254A - - Google Patents
Info
- Publication number
- FR741254A FR741254A FR741254DA FR741254A FR 741254 A FR741254 A FR 741254A FR 741254D A FR741254D A FR 741254DA FR 741254 A FR741254 A FR 741254A
- 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 |
|---|---|
| FR741254A true FR741254A (da) | 1933-02-08 |
Family
ID=1545818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR741254D Expired FR741254A (da) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR741254A (da) |
-
0
- FR FR741254D patent/FR741254A/fr not_active Expired