CA409498A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number: CA409498A
Authority: CA; Canada
Prior art keywords: telephone system; telephone
Prior art date: 1942-12-22
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

CA409498A

Other languages

Inventor

Ernest Lomax Clarence

Bakker Pier

Original Assignee

Northern Electric Co Ltd

Publication date

1942-12-22

1942-12-22 Application granted granted Critical

1942-12-22 Publication of CA409498A publication Critical patent/CA409498A/fr

Status Expired legal-status Critical Current

Links

CA409498A Systeme telephonique Expired CA409498A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA409498T

Publications (1)

Publication Number	Publication Date
CA409498A true CA409498A (fr)	1942-12-22

Family

ID=35420799

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA409498A Expired CA409498A (fr)			Systeme telephonique

Country Status (1)

Country	Link
CA (1)	CA409498A (fr)

0
- CA CA409498A patent/CA409498A/fr not_active Expired

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