FR544003A - Improvements to folding phonographs - Google Patents
Improvements to folding phonographsInfo
- Publication number
- FR544003A FR544003A FR544003DA FR544003A FR 544003 A FR544003 A FR 544003A FR 544003D A FR544003D A FR 544003DA FR 544003 A FR544003 A FR 544003A
- Authority
- FR
- France
- Prior art keywords
- phonographs
- folding
- folding phonographs
- Prior art date
- 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
- G11B25/00—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus
- G11B25/04—Apparatus characterised by the shape of record carrier employed but not specific to the method of recording or reproducing, e.g. dictating apparatus; Combinations of such apparatus using flat record carriers, e.g. disc, card
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB544003X | 1921-03-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR544003A true FR544003A (en) | 1922-09-13 |
Family
ID=10470888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR544003D Expired FR544003A (en) | 1921-03-09 | 1921-11-29 | Improvements to folding phonographs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR544003A (en) |
-
1921
- 1921-11-29 FR FR544003D patent/FR544003A/en not_active Expired
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