CA381031A - Appareil a reproduction des sons - Google Patents

Appareil a reproduction des sons

Info

Publication number
CA381031A
CA381031A CA381031A CA381031DA CA381031A CA 381031 A CA381031 A CA 381031A CA 381031 A CA381031 A CA 381031A CA 381031D A CA381031D A CA 381031DA CA 381031 A CA381031 A CA 381031A
Authority
CA
Canada
Prior art keywords
reproducing apparatus
sound reproducing
sound
reproducing
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
CA381031A
Other languages
English (en)
Inventor
R. Marion Frederick
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA381031A publication Critical patent/CA381031A/fr
Expired legal-status Critical Current

Links

CA381031A Appareil a reproduction des sons Expired CA381031A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA381031T

Publications (1)

Publication Number Publication Date
CA381031A true CA381031A (fr) 1939-04-25

Family

ID=35386273

Family Applications (1)

Application Number Title Priority Date Filing Date
CA381031A Expired CA381031A (fr) Appareil a reproduction des sons

Country Status (1)

Country Link
CA (1) CA381031A (fr)

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