CA512082A - Systeme de central automatique de telephone - Google Patents

Systeme de central automatique de telephone

Info

Publication number
CA512082A
CA512082A CA512082A CA512082DA CA512082A CA 512082 A CA512082 A CA 512082A CA 512082 A CA512082 A CA 512082A CA 512082D A CA512082D A CA 512082DA CA 512082 A CA512082 A CA 512082A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
automatic telephone
automatic
telephone
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
CA512082A
Other languages
English (en)
Inventor
H. Voss John
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA512082A publication Critical patent/CA512082A/fr
Expired legal-status Critical Current

Links

CA512082A Systeme de central automatique de telephone Expired CA512082A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA512082T

Publications (1)

Publication Number Publication Date
CA512082A true CA512082A (fr) 1955-04-19

Family

ID=35663154

Family Applications (1)

Application Number Title Priority Date Filing Date
CA512082A Expired CA512082A (fr) Systeme de central automatique de telephone

Country Status (1)

Country Link
CA (1) CA512082A (fr)

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