CA298642A - Dispositif acoustique - Google Patents

Dispositif acoustique

Info

Publication number: CA298642A
Authority: CA; Canada
Prior art keywords: acoustic device; acoustic
Prior art date: 1930-03-25
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

CA298642A

Other languages

English (en)

Inventor

Joseph Round 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.)

CMC Electronics Inc

Original Assignee

Canadian Marconi Co

Publication date

1930-03-25

1930-03-25 Application granted granted Critical

1930-03-25 Publication of CA298642A publication Critical patent/CA298642A/fr

Status Expired legal-status Critical Current

Links

CA298642A Dispositif acoustique Expired CA298642A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA298642T

Publications (1)

Publication Number	Publication Date
CA298642A true CA298642A (fr)	1930-03-25

Family

ID=35235961

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA298642A Expired CA298642A (fr)			Dispositif acoustique

Country Status (1)

Country	Link
CA (1)	CA298642A (fr)

0
- CA CA298642A patent/CA298642A/fr not_active Expired

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