CA293028A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number: CA293028A
Authority: CA; Canada
Prior art keywords: acoustic device; acoustic
Prior art date: 1929-09-10
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

CA293028A

Other languages

English (en)

Inventor

C. Wente Edward

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

1929-09-10

1929-09-10 Application granted granted Critical

1929-09-10 Publication of CA293028A publication Critical patent/CA293028A/fr

Status Expired legal-status Critical Current

Links

CA293028A Dispositif acoustique Expired CA293028A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA293028T

Publications (1)

Publication Number	Publication Date
CA293028A true CA293028A (fr)	1929-09-10

Family

ID=35230347

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA293028A Expired CA293028A (fr)			Dispositif acoustique

Country Status (1)

Country	Link
CA (1)	CA293028A (fr)

0
- CA CA293028A patent/CA293028A/fr not_active Expired

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