CA523563A - Microphones encastres - Google Patents

Microphones encastres

Info

Publication number
CA523563A
CA523563A CA523563A CA523563DA CA523563A CA 523563 A CA523563 A CA 523563A CA 523563 A CA523563 A CA 523563A CA 523563D A CA523563D A CA 523563DA CA 523563 A CA523563 A CA 523563A
Authority
CA
Canada
Prior art keywords
encased
microphones
encased microphones
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
CA523563A
Other languages
English (en)
Inventor
W. Breisch Edgar
I. Seitz John
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
Publication date
Application granted granted Critical
Publication of CA523563A publication Critical patent/CA523563A/fr
Expired legal-status Critical Current

Links

CA523563A Microphones encastres Expired CA523563A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA523563T

Publications (1)

Publication Number Publication Date
CA523563A true CA523563A (fr) 1956-04-03

Family

ID=35676796

Family Applications (1)

Application Number Title Priority Date Filing Date
CA523563A Expired CA523563A (fr) Microphones encastres

Country Status (1)

Country Link
CA (1) CA523563A (fr)

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