FR672647A - Perfectionnements apportés aux phonographes - Google Patents

Perfectionnements apportés aux phonographes

Info

Publication number
FR672647A
FR672647A FR672647DA FR672647A FR 672647 A FR672647 A FR 672647A FR 672647D A FR672647D A FR 672647DA FR 672647 A FR672647 A FR 672647A
Authority
FR
France
Prior art keywords
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
Application number
Other languages
English (en)
Inventor
Michel Bergoin
Auguste Grousez
Robert Card
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Application granted granted Critical
Publication of FR672647A publication Critical patent/FR672647A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
FR672647D 1928-07-11 1928-07-11 Perfectionnements apportés aux phonographes Expired FR672647A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR672647T 1928-07-11

Publications (1)

Publication Number Publication Date
FR672647A true FR672647A (fr) 1930-01-04

Family

ID=9017601

Family Applications (1)

Application Number Title Priority Date Filing Date
FR672647D Expired FR672647A (fr) 1928-07-11 1928-07-11 Perfectionnements apportés aux phonographes

Country Status (1)

Country Link
FR (1) FR672647A (fr)

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