CA509130A - Systeme de signalisation de poste groupe - Google Patents

Systeme de signalisation de poste groupe

Info

Publication number
CA509130A
CA509130A CA509130A CA509130DA CA509130A CA 509130 A CA509130 A CA 509130A CA 509130 A CA509130 A CA 509130A CA 509130D A CA509130D A CA 509130DA CA 509130 A CA509130 A CA 509130A
Authority
CA
Canada
Prior art keywords
signaling system
party line
line station
station signaling
party
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
CA509130A
Other languages
English (en)
Inventor
H. Inglis Alfred
E. Krebs Luther
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.)
AT&T Corp
Original Assignee
Alfred H Inglis
Western Electric Co Inc
Publication date
Application granted granted Critical
Publication of CA509130A publication Critical patent/CA509130A/fr
Expired legal-status Critical Current

Links

CA509130A Systeme de signalisation de poste groupe Expired CA509130A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA509130T

Publications (1)

Publication Number Publication Date
CA509130A true CA509130A (fr) 1955-01-11

Family

ID=35660177

Family Applications (1)

Application Number Title Priority Date Filing Date
CA509130A Expired CA509130A (fr) Systeme de signalisation de poste groupe

Country Status (1)

Country Link
CA (1) CA509130A (fr)

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