CA512312A - Systemes telephoniques - Google Patents

Systemes telephoniques

Info

Publication number
CA512312A
CA512312A CA512312A CA512312DA CA512312A CA 512312 A CA512312 A CA 512312A CA 512312 A CA512312 A CA 512312A CA 512312D A CA512312D A CA 512312DA CA 512312 A CA512312 A CA 512312A
Authority
CA
Canada
Prior art keywords
telephone systems
telephone
systems
Prior art date
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
CA512312A
Other languages
English (en)
Inventor
E. Lomax Clarence
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA512312A publication Critical patent/CA512312A/fr
Expired legal-status Critical Current

Links

CA512312A Systemes telephoniques Expired CA512312A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA512312T

Publications (1)

Publication Number Publication Date
CA512312A true CA512312A (fr) 1955-04-26

Family

ID=35663388

Family Applications (1)

Application Number Title Priority Date Filing Date
CA512312A Expired CA512312A (fr) Systemes telephoniques

Country Status (1)

Country Link
CA (1) CA512312A (fr)

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