CA257075A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA257075A
CA257075A CA257075A CA257075DA CA257075A CA 257075 A CA257075 A CA 257075A CA 257075 A CA257075 A CA 257075A CA 257075D A CA257075D A CA 257075DA CA 257075 A CA257075 A CA 257075A
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
CA257075A
Other languages
French (fr)
Inventor
L. Wegel Raymond
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.)
INTERNATIONAL WESTERN ELECTRIC Co
AT&T Corp
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA257075A publication Critical patent/CA257075A/en
Expired legal-status Critical Current

Links

CA257075A Acoustic device Expired CA257075A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA257075T

Publications (1)

Publication Number Publication Date
CA257075A true CA257075A (en) 1926-01-05

Family

ID=35165623

Family Applications (1)

Application Number Title Priority Date Filing Date
CA257075A Expired CA257075A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA257075A (en)

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