CA309114A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number
CA309114A
CA309114A CA309114A CA309114DA CA309114A CA 309114 A CA309114 A CA 309114A CA 309114 A CA309114 A CA 309114A CA 309114D A CA309114D A CA 309114DA CA 309114 A CA309114 A CA 309114A
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
CA309114A
Other languages
English (en)
Inventor
Beecher Flanders Paul
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 CA309114A publication Critical patent/CA309114A/fr
Expired legal-status Critical Current

Links

CA309114A Dispositif acoustique Expired CA309114A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA309114T

Publications (1)

Publication Number Publication Date
CA309114A true CA309114A (fr) 1931-03-03

Family

ID=35268437

Family Applications (1)

Application Number Title Priority Date Filing Date
CA309114A Expired CA309114A (fr) Dispositif acoustique

Country Status (1)

Country Link
CA (1) CA309114A (fr)

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