CA293330A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA293330A
CA293330A CA293330A CA293330DA CA293330A CA 293330 A CA293330 A CA 293330A CA 293330 A CA293330 A CA 293330A CA 293330D A CA293330D A CA 293330DA CA 293330 A CA293330 A CA 293330A
Authority
CA
Canada
Prior art keywords
acoustic device
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
CA293330A
Other languages
French (fr)
Inventor
Meyer Rust Noel
Joseph Round Henry
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.)
CMC Electronics Inc
Original Assignee
Canadian Marconi Co
Publication date
Application granted granted Critical
Publication of CA293330A publication Critical patent/CA293330A/en
Expired legal-status Critical Current

Links

CA293330A Acoustic device Expired CA293330A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA293330T

Publications (1)

Publication Number Publication Date
CA293330A true CA293330A (en) 1929-09-24

Family

ID=35230649

Family Applications (1)

Application Number Title Priority Date Filing Date
CA293330A Expired CA293330A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA293330A (en)

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