CA293235A - Appareil a fabriquer des empreintes photophonographiques - Google Patents

Appareil a fabriquer des empreintes photophonographiques

Info

Publication number
CA293235A
CA293235A CA293235A CA293235DA CA293235A CA 293235 A CA293235 A CA 293235A CA 293235 A CA293235 A CA 293235A CA 293235D A CA293235D A CA 293235DA CA 293235 A CA293235 A CA 293235A
Authority
CA
Canada
Prior art keywords
photo
phonographic record
phonographic
record
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
CA293235A
Other languages
English (en)
Inventor
Ehrenhaft Franz
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA293235A publication Critical patent/CA293235A/fr
Expired legal-status Critical Current

Links

CA293235A Appareil a fabriquer des empreintes photophonographiques Expired CA293235A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA293235T

Publications (1)

Publication Number Publication Date
CA293235A true CA293235A (fr) 1929-09-24

Family

ID=35230554

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293235A Expired CA293235A (fr) Appareil a fabriquer des empreintes photophonographiques

Country Status (1)

Country Link
CA (1) CA293235A (fr)

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