CA292226A - Instrument d'acoustique - Google Patents

Instrument d'acoustique

Info

Publication number: CA292226A
Authority: CA; Canada
Prior art keywords: acoustical instrument; acoustical; instrument
Prior art date: 1929-08-13
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

CA292226A

Other languages

English (en)

Inventor

L. Thuras Albert

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

1929-08-13

1929-08-13 Application granted granted Critical

1929-08-13 Publication of CA292226A publication Critical patent/CA292226A/fr

Status Expired legal-status Critical Current

Links

CA292226A Instrument d'acoustique Expired CA292226A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA292226T

Publications (1)

Publication Number	Publication Date
CA292226A true CA292226A (fr)	1929-08-13

Family

ID=35229039

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA292226A Expired CA292226A (fr)			Instrument d'acoustique

Country Status (1)

Country	Link
CA (1)	CA292226A (fr)

0
- CA CA292226A patent/CA292226A/fr not_active Expired

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