FR767849A - - Google Patents
Info
- Publication number
- FR767849A FR767849A FR767849DA FR767849A FR 767849 A FR767849 A FR 767849A FR 767849D A FR767849D A FR 767849DA FR 767849 A FR767849 A FR 767849A
- 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
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR767849A true FR767849A (OSRAM) | 1934-07-24 |
Family
ID=1551777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR767849D Expired FR767849A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR767849A (OSRAM) |
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0
- FR FR767849D patent/FR767849A/fr not_active Expired