CA514095A - Systeme de telephone automatique interurbain tous relais - Google Patents

Systeme de telephone automatique interurbain tous relais

Info

Publication number
CA514095A
CA514095A CA514095A CA514095DA CA514095A CA 514095 A CA514095 A CA 514095A CA 514095 A CA514095 A CA 514095A CA 514095D A CA514095D A CA 514095DA CA 514095 A CA514095 A CA 514095A
Authority
CA
Canada
Prior art keywords
selection
telephone system
automatic telephone
system trunk
relay automatic
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
CA514095A
Other languages
English (en)
Inventor
H. Voss John
Original Assignee
Automatic Electric Laboratories Inc
Publication date
Application granted granted Critical
Publication of CA514095A publication Critical patent/CA514095A/fr
Expired legal-status Critical Current

Links

CA514095A Systeme de telephone automatique interurbain tous relais Expired CA514095A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA514095T

Publications (1)

Publication Number Publication Date
CA514095A true CA514095A (fr) 1955-06-28

Family

ID=35665180

Family Applications (1)

Application Number Title Priority Date Filing Date
CA514095A Expired CA514095A (fr) Systeme de telephone automatique interurbain tous relais

Country Status (1)

Country Link
CA (1) CA514095A (fr)

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