CA333476A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number: CA333476A
Authority: CA; Canada
Prior art keywords: acoustic device; acoustic
Prior art date: 1933-06-20
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

CA333476A

Other languages

English (en)

Inventor

Charles Harrison Henry

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

1933-06-20

1933-06-20 Application granted granted Critical

1933-06-20 Publication of CA333476A publication Critical patent/CA333476A/fr

Status Expired legal-status Critical Current

Links

CA333476A Dispositif acoustique Expired CA333476A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA333476T

Publications (1)

Publication Number	Publication Date
CA333476A true CA333476A (fr)	1933-06-20

Family

ID=35296618

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA333476A Expired CA333476A (fr)			Dispositif acoustique

Country Status (1)

Country	Link
CA (1)	CA333476A (fr)

0
- CA CA333476A patent/CA333476A/fr not_active Expired

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