CA325401A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number: CA325401A
Authority: CA; Canada
Prior art keywords: acoustic device; acoustic
Prior art date: 1932-08-23
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

CA325401A

Other languages

English (en)

Inventor

H. Smythe Edwin

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 Inc

Original Assignee

Western Electric Co Inc

Publication date

1932-08-23

1932-08-23 Application granted granted Critical

1932-08-23 Publication of CA325401A publication Critical patent/CA325401A/fr

Status Expired legal-status Critical Current

Links

CA325401A Dispositif acoustique Expired CA325401A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA325401T

Publications (1)

Publication Number	Publication Date
CA325401A true CA325401A (fr)	1932-08-23

Family

ID=35287771

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA325401A Expired CA325401A (fr)			Dispositif acoustique

Country Status (1)

Country	Link
CA (1)	CA325401A (fr)

0
- CA CA325401A patent/CA325401A/fr not_active Expired

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