CA396700A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA396700A
CA396700A CA396700A CA396700DA CA396700A CA 396700 A CA396700 A CA 396700A CA 396700 A CA396700 A CA 396700A CA 396700D A CA396700D A CA 396700DA CA 396700 A CA396700 A CA 396700A
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
CA396700A
Other languages
French (fr)
Inventor
Nelson Marshall Robert
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 CA396700A publication Critical patent/CA396700A/en
Expired legal-status Critical Current

Links

CA396700A Acoustic device Expired CA396700A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA396700T

Publications (1)

Publication Number Publication Date
CA396700A true CA396700A (en) 1941-05-20

Family

ID=35407231

Family Applications (1)

Application Number Title Priority Date Filing Date
CA396700A Expired CA396700A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA396700A (en)

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