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CA447611A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA447611A
CA447611A CA447611A CA447611DA CA447611A CA 447611 A CA447611 A CA 447611A CA 447611 A CA447611 A CA 447611A CA 447611D A CA447611D A CA 447611DA CA 447611 A CA447611 A CA 447611A
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
CA447611A
Other languages
French (fr)
Inventor
Thomson Fisher Sidney
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 CA447611A publication Critical patent/CA447611A/en
Expired legal-status Critical Current

Links

CA447611A Acoustic device Expired CA447611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA447611T

Publications (1)

Publication Number Publication Date
CA447611A true CA447611A (en) 1948-03-30

Family

ID=35565293

Family Applications (1)

Application Number Title Priority Date Filing Date
CA447611A Expired CA447611A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA447611A (en)

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