CA554627A - Systeme a postes groupes de telephone - Google Patents

Systeme a postes groupes de telephone

Info

Publication number
CA554627A
CA554627A CA554627A CA554627DA CA554627A CA 554627 A CA554627 A CA 554627A CA 554627 A CA554627 A CA 554627A CA 554627D A CA554627D A CA 554627DA CA 554627 A CA554627 A CA 554627A
Authority
CA
Canada
Prior art keywords
telephone system
line telephone
party line
priority party
priority
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
CA554627A
Other languages
English (en)
Inventor
G. Collier Percival
H. Dunn Roland
J. Terry Victor
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 CA554627A publication Critical patent/CA554627A/fr
Expired legal-status Critical Current

Links

CA554627A Systeme a postes groupes de telephone Expired CA554627A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA554627T

Publications (1)

Publication Number Publication Date
CA554627A true CA554627A (fr) 1958-03-18

Family

ID=35716036

Family Applications (1)

Application Number Title Priority Date Filing Date
CA554627A Expired CA554627A (fr) Systeme a postes groupes de telephone

Country Status (1)

Country Link
CA (1) CA554627A (fr)

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