CA493889A - Systemes telephoniques - Google Patents

Systemes telephoniques

Info

Publication number: CA493889A
Authority: CA; Canada
Prior art keywords: telephone systems; telephone; systems
Prior art date: 1953-06-23
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

CA493889A

Other languages

English (en)

Inventor

Gohorel Fernand

J. M. Penet Gabriel

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.)

International Standard Electric Corp

Original Assignee

International Standard Electric Corp

Publication date

1953-06-23

1953-06-23 Application granted granted Critical

1953-06-23 Publication of CA493889A publication Critical patent/CA493889A/fr

Status Expired legal-status Critical Current

Links

CA493889A Systemes telephoniques Expired CA493889A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA493889T

Publications (1)

Publication Number	Publication Date
CA493889A true CA493889A (fr)	1953-06-23

Family

ID=35639282

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA493889A Expired CA493889A (fr)			Systemes telephoniques

Country Status (1)

Country	Link
CA (1)	CA493889A (fr)

0
- CA CA493889A patent/CA493889A/fr not_active Expired

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