CA293031A - Appareil acoustique - Google Patents

Appareil acoustique

Info

Publication number: CA293031A
Authority: CA; Canada
Prior art keywords: acoustic apparatus; 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

CA293031A

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 Corp

Original Assignee

Western Electric Co Inc

Publication date

1929-09-10

1929-09-10 Application granted granted Critical

1929-09-10 Publication of CA293031A publication Critical patent/CA293031A/fr

Status Expired legal-status Critical Current

Links

CA293031A Appareil acoustique Expired CA293031A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA293031T

Publications (1)

Publication Number	Publication Date
CA293031A true CA293031A (fr)	1929-09-10

Family

ID=35230350

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA293031A Expired CA293031A (fr)			Appareil acoustique

Country Status (1)

Country	Link
CA (1)	CA293031A (fr)

0
- CA CA293031A patent/CA293031A/fr not_active Expired

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