CA497326A - Systemes telephoniques - Google Patents

Systemes telephoniques

Info

Publication number: CA497326A
Authority: CA; Canada
Prior art keywords: telephone systems; telephone; systems
Prior art date: 1953-11-03
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

CA497326A

Other languages

English (en)

Inventor

Mercer Richard

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.)

Individual

Original Assignee

Individual

Publication date

1953-11-03

1953-11-03 Application granted granted Critical

1953-11-03 Publication of CA497326A publication Critical patent/CA497326A/fr

Status Expired legal-status Critical Current

Links

CA497326A Systemes telephoniques Expired CA497326A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA497326T

Publications (1)

Publication Number	Publication Date
CA497326A true CA497326A (fr)	1953-11-03

Family

ID=35642755

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA497326A Expired CA497326A (fr)			Systemes telephoniques

Country Status (1)

Country	Link
CA (1)	CA497326A (fr)

0
- CA CA497326A patent/CA497326A/fr not_active Expired

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