FR25731E - Improvements to phonographs - Google Patents

Improvements to phonographs

Info

Publication number
FR25731E
FR25731E FR25731DA FR25731E FR 25731 E FR25731 E FR 25731E FR 25731D A FR25731D A FR 25731DA FR 25731 E FR25731 E FR 25731E
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
French (fr)
Inventor
Alcide Decorat
Eugene Testavin
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 FR25731E publication Critical patent/FR25731E/en
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
FR25731D 1921-12-07 1921-12-07 Improvements to phonographs Expired FR25731E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR25731T 1921-12-07

Publications (1)

Publication Number Publication Date
FR25731E true FR25731E (en) 1923-05-17

Family

ID=8664220

Family Applications (1)

Application Number Title Priority Date Filing Date
FR25731D Expired FR25731E (en) 1921-12-07 1921-12-07 Improvements to phonographs

Country Status (1)

Country Link
FR (1) FR25731E (en)

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