CA470526A - Systemes de postes groupes de telephone - Google Patents

Systemes de postes groupes de telephone

Info

Publication number
CA470526A
CA470526A CA470526A CA470526DA CA470526A CA 470526 A CA470526 A CA 470526A CA 470526 A CA470526 A CA 470526A CA 470526D A CA470526D A CA 470526DA CA 470526 A CA470526 A CA 470526A
Authority
CA
Canada
Prior art keywords
telephone systems
line telephone
party line
party
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
CA470526A
Other languages
English (en)
Inventor
Hatton William
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 CA470526A publication Critical patent/CA470526A/fr
Expired legal-status Critical Current

Links

CA470526A Systemes de postes groupes de telephone Expired CA470526A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA470526T

Publications (1)

Publication Number Publication Date
CA470526A true CA470526A (fr) 1951-01-02

Family

ID=35604466

Family Applications (1)

Application Number Title Priority Date Filing Date
CA470526A Expired CA470526A (fr) Systemes de postes groupes de telephone

Country Status (1)

Country Link
CA (1) CA470526A (fr)

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