CA258434A - Systeme d'acoustique - Google Patents

Systeme d'acoustique

Info

Publication number
CA258434A
CA258434A CA258434A CA258434DA CA258434A CA 258434 A CA258434 A CA 258434A CA 258434 A CA258434 A CA 258434A CA 258434D A CA258434D A CA 258434DA CA 258434 A CA258434 A CA 258434A
Authority
CA
Canada
Prior art keywords
acoustic system
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
CA258434A
Other languages
English (en)
Inventor
D. Arnold Harold
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 Inc
AT&T Corp
Original Assignee
INTERNATIONAL WESTERN ELECTRIC Co Inc
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA258434A publication Critical patent/CA258434A/fr
Expired legal-status Critical Current

Links

CA258434A Systeme d'acoustique Expired CA258434A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA258434T

Publications (1)

Publication Number Publication Date
CA258434A true CA258434A (fr) 1926-02-23

Family

ID=35166982

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258434A Expired CA258434A (fr) Systeme d'acoustique

Country Status (1)

Country Link
CA (1) CA258434A (fr)

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