CA568218A - Systemes de telephone - Google Patents

Systemes de telephone

Info

Publication number: CA568218A
Authority: CA; Canada
Prior art keywords: telephone systems; telephone; systems
Prior art date: 1958-12-30
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

CA568218A

Other languages

English (en)

Inventor

I. H. Clark Ronald

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.)

Siemens Brothers and Co Ltd

Original Assignee

Siemens Brothers and Co Ltd

Publication date

1958-12-30

1958-12-30 Application granted granted Critical

1958-12-30 Publication of CA568218A publication Critical patent/CA568218A/fr

Status Expired legal-status Critical Current

Links

CA568218A Systemes de telephone Expired CA568218A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA568218T

Publications (1)

Publication Number	Publication Date
CA568218A true CA568218A (fr)	1958-12-30

Family

ID=35740747

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA568218A Expired CA568218A (fr)			Systemes de telephone

Country Status (1)

Country	Link
CA (1)	CA568218A (fr)

0
- CA CA568218A patent/CA568218A/fr not_active Expired

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