CA498866A - Appareil electro-acoustique - Google Patents

Appareil electro-acoustique

Info

Publication number
CA498866A
CA498866A CA498866A CA498866DA CA498866A CA 498866 A CA498866 A CA 498866A CA 498866 A CA498866 A CA 498866A CA 498866D A CA498866D A CA 498866DA CA 498866 A CA498866 A CA 498866A
Authority
CA
Canada
Prior art keywords
electro
acoustic apparatus
acoustic
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
CA498866A
Other languages
English (en)
Inventor
E. Keddie James
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.)
Koninklijke Philips NV
Original Assignee
Philips Electronics NV
Publication date
Application granted granted Critical
Publication of CA498866A publication Critical patent/CA498866A/fr
Expired legal-status Critical Current

Links

CA498866A Appareil electro-acoustique Expired CA498866A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA498866T

Publications (1)

Publication Number Publication Date
CA498866A true CA498866A (fr) 1953-12-29

Family

ID=35644307

Family Applications (1)

Application Number Title Priority Date Filing Date
CA498866A Expired CA498866A (fr) Appareil electro-acoustique

Country Status (1)

Country Link
CA (1) CA498866A (fr)

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