CA324865A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number: CA324865A
Authority: CA; Canada
Prior art keywords: acoustic device; acoustic
Prior art date: 1932-08-02
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

CA324865A

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 Inc

Original Assignee

INTERNATIONAL WESTERN ELECTRIC Co

Western Electric Co Inc

Publication date

1932-08-02

1932-08-02 Application granted granted Critical

1932-08-02 Publication of CA324865A publication Critical patent/CA324865A/fr

Status Expired legal-status Critical Current

Links

CA324865A Dispositif acoustique Expired CA324865A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA324865T

Publications (1)

Publication Number	Publication Date
CA324865A true CA324865A (fr)	1932-08-02

Family

ID=35287235

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA324865A Expired CA324865A (fr)			Dispositif acoustique

Country Status (1)

Country	Link
CA (1)	CA324865A (fr)

0
- CA CA324865A patent/CA324865A/fr not_active Expired

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