CA472097A - Electro-acoustical apparatus - Google Patents

Electro-acoustical apparatus

Info

Publication number
CA472097A
CA472097A CA472097A CA472097DA CA472097A CA 472097 A CA472097 A CA 472097A CA 472097 A CA472097 A CA 472097A CA 472097D A CA472097D A CA 472097DA CA 472097 A CA472097 A CA 472097A
Authority
CA
Canada
Prior art keywords
electro
acoustical apparatus
acoustical
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
CA472097A
Other languages
French (fr)
Inventor
M. Giannini Gabriel
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.)
Automatic Electric Laboratories Inc
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA472097A publication Critical patent/CA472097A/en
Expired legal-status Critical Current

Links

CA472097A Electro-acoustical apparatus Expired CA472097A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA472097T

Publications (1)

Publication Number Publication Date
CA472097A true CA472097A (en) 1951-03-13

Family

ID=35606052

Family Applications (1)

Application Number Title Priority Date Filing Date
CA472097A Expired CA472097A (en) Electro-acoustical apparatus

Country Status (1)

Country Link
CA (1) CA472097A (en)

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