CA312222A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA312222A
CA312222A CA312222A CA312222DA CA312222A CA 312222 A CA312222 A CA 312222A CA 312222 A CA312222 A CA 312222A CA 312222D A CA312222D A CA 312222DA CA 312222 A CA312222 A CA 312222A
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
CA312222A
Other languages
French (fr)
Inventor
C. Harrison 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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA312222A publication Critical patent/CA312222A/en
Expired legal-status Critical Current

Links

CA312222A Acoustic device Expired CA312222A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA312222T

Publications (1)

Publication Number Publication Date
CA312222A true CA312222A (en) 1931-06-09

Family

ID=35271548

Family Applications (1)

Application Number Title Priority Date Filing Date
CA312222A Expired CA312222A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA312222A (en)

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