CA252388A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
CA252388A
CA252388A CA252388A CA252388DA CA252388A CA 252388 A CA252388 A CA 252388A CA 252388 A CA252388 A CA 252388A CA 252388D A CA252388D A CA 252388DA CA 252388 A CA252388 A CA 252388A
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
CA252388A
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.)
INTERNATIONAL WESTERN ELECTRIC Co
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Publication date
Application granted granted Critical
Publication of CA252388A publication Critical patent/CA252388A/en
Expired legal-status Critical Current

Links

CA252388A Acoustic device Expired CA252388A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA252388T

Publications (1)

Publication Number Publication Date
CA252388A true CA252388A (en) 1925-08-04

Family

ID=35159362

Family Applications (1)

Application Number Title Priority Date Filing Date
CA252388A Expired CA252388A (en) Acoustic device

Country Status (1)

Country Link
CA (1) CA252388A (en)

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