CA512519A - Systemes de telephone a postes groupes - Google Patents

Systemes de telephone a postes groupes

Info

Publication number
CA512519A
CA512519A CA512519A CA512519DA CA512519A CA 512519 A CA512519 A CA 512519A CA 512519 A CA512519 A CA 512519A CA 512519D A CA512519D A CA 512519DA CA 512519 A CA512519 A CA 512519A
Authority
CA
Canada
Prior art keywords
party
telephone systems
line telephone
line
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
CA512519A
Other languages
English (en)
Inventor
W. Elliott Thomas
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
Application granted granted Critical
Publication of CA512519A publication Critical patent/CA512519A/fr
Expired legal-status Critical Current

Links

CA512519A Systemes de telephone a postes groupes Expired CA512519A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA512519T

Publications (1)

Publication Number Publication Date
CA512519A true CA512519A (fr) 1955-05-03

Family

ID=35663594

Family Applications (1)

Application Number Title Priority Date Filing Date
CA512519A Expired CA512519A (fr) Systemes de telephone a postes groupes

Country Status (1)

Country Link
CA (1) CA512519A (fr)

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