CA406573A - Production d'empreintes des sons - Google Patents

Production d'empreintes des sons

Info

Publication number
CA406573A
CA406573A CA406573A CA406573DA CA406573A CA 406573 A CA406573 A CA 406573A CA 406573 A CA406573 A CA 406573A CA 406573D A CA406573D A CA 406573DA CA 406573 A CA406573 A CA 406573A
Authority
CA
Canada
Prior art keywords
sound record
record production
production
sound
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
CA406573A
Other languages
English (en)
Inventor
M. Burrill Charles
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.)
RCA Corp
Original Assignee
Radio Corporation of America
Publication date
Application granted granted Critical
Publication of CA406573A publication Critical patent/CA406573A/fr
Expired legal-status Critical Current

Links

CA406573A Production d'empreintes des sons Expired CA406573A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA406573T

Publications (1)

Publication Number Publication Date
CA406573A true CA406573A (fr) 1942-08-04

Family

ID=35417873

Family Applications (1)

Application Number Title Priority Date Filing Date
CA406573A Expired CA406573A (fr) Production d'empreintes des sons

Country Status (1)

Country Link
CA (1) CA406573A (fr)

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