CA316174A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number
CA316174A
CA316174A CA316174A CA316174DA CA316174A CA 316174 A CA316174 A CA 316174A CA 316174 A CA316174 A CA 316174A CA 316174D A CA316174D A CA 316174DA CA 316174 A CA316174 A CA 316174A
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
CA316174A
Other languages
English (en)
Inventor
William Giles Leonard
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 CA316174A publication Critical patent/CA316174A/fr
Expired legal-status Critical Current

Links

CA316174A Dispositif acoustique Expired CA316174A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA316174T

Publications (1)

Publication Number Publication Date
CA316174A true CA316174A (fr) 1931-10-13

Family

ID=35275502

Family Applications (1)

Application Number Title Priority Date Filing Date
CA316174A Expired CA316174A (fr) Dispositif acoustique

Country Status (1)

Country Link
CA (1) CA316174A (fr)

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