CA269112A - Dispositif d'acoustique - Google Patents

Dispositif d'acoustique

Info

Publication number
CA269112A
CA269112A CA269112A CA269112DA CA269112A CA 269112 A CA269112 A CA 269112A CA 269112 A CA269112 A CA 269112A CA 269112D A CA269112D A CA 269112DA CA 269112 A CA269112 A CA 269112A
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
CA269112A
Other languages
English (en)
Inventor
L. Wegel Raymond
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
AT&T Corp
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA269112A publication Critical patent/CA269112A/fr
Expired legal-status Critical Current

Links

CA269112A Dispositif d'acoustique Expired CA269112A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA269112T

Publications (1)

Publication Number Publication Date
CA269112A true CA269112A (fr) 1927-03-15

Family

ID=35199142

Family Applications (1)

Application Number Title Priority Date Filing Date
CA269112A Expired CA269112A (fr) Dispositif d'acoustique

Country Status (1)

Country Link
CA (1) CA269112A (fr)

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