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FR724668A - Amplifier phonograph - Google Patents

Amplifier phonograph

Info

Publication number
FR724668A
FR724668A FR724668DA FR724668A FR 724668 A FR724668 A FR 724668A FR 724668D A FR724668D A FR 724668DA FR 724668 A FR724668 A FR 724668A
Authority
FR
France
Prior art keywords
phonograph
amplifier
amplifier phonograph
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
Alfred Goffaux
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 FR724668A publication Critical patent/FR724668A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K13/00—Cones, diaphragms, or the like, for emitting or receiving sound in general

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR724668D 1931-08-22 1931-08-22 Amplifier phonograph Expired FR724668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR724668T 1931-08-22

Publications (1)

Publication Number Publication Date
FR724668A true FR724668A (en) 1932-04-30

Family

ID=9109446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR724668D Expired FR724668A (en) 1931-08-22 1931-08-22 Amplifier phonograph

Country Status (1)

Country Link
FR (1) FR724668A (en)

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