CA309113A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number
CA309113A
CA309113A CA309113A CA309113DA CA309113A CA 309113 A CA309113 A CA 309113A CA 309113 A CA309113 A CA 309113A CA 309113D A CA309113D A CA 309113DA CA 309113 A CA309113 A CA 309113A
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
CA309113A
Other languages
English (en)
Inventor
A. Schlenker Vesper
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 CA309113A publication Critical patent/CA309113A/fr
Expired legal-status Critical Current

Links

CA309113A Dispositif acoustique Expired CA309113A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA309113T

Publications (1)

Publication Number Publication Date
CA309113A true CA309113A (fr) 1931-03-03

Family

ID=35268436

Family Applications (1)

Application Number Title Priority Date Filing Date
CA309113A Expired CA309113A (fr) Dispositif acoustique

Country Status (1)

Country Link
CA (1) CA309113A (fr)

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