FR808708A - Appareil de restitution photophonique - Google Patents

Appareil de restitution photophonique

Info

Publication number
FR808708A
FR808708A FR808708DA FR808708A FR 808708 A FR808708 A FR 808708A FR 808708D A FR808708D A FR 808708DA FR 808708 A FR808708 A FR 808708A
Authority
FR
France
Prior art keywords
photophonic
reproduction device
reproduction
photophonic reproduction
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zeiss Ikon AG
Original Assignee
Zeiss Ikon AG
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 by Zeiss Ikon AG filed Critical Zeiss Ikon AG
Application granted granted Critical
Publication of FR808708A publication Critical patent/FR808708A/fr
Expired legal-status Critical Current

Links

FR808708D 1935-10-22 1936-07-28 Appareil de restitution photophonique Expired FR808708A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE808708X 1935-10-22

Publications (1)

Publication Number Publication Date
FR808708A true FR808708A (fr) 1937-02-13

Family

ID=6723151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808708D Expired FR808708A (fr) 1935-10-22 1936-07-28 Appareil de restitution photophonique

Country Status (1)

Country Link
FR (1) FR808708A (fr)

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