CA209341A - Systeme d'echange telephonique - Google Patents

Systeme d'echange telephonique

Info

Publication number
CA209341A
CA209341A CA209341A CA209341DA CA209341A CA 209341 A CA209341 A CA 209341A CA 209341 A CA209341 A CA 209341A CA 209341D A CA209341D A CA 209341DA CA 209341 A CA209341 A CA 209341A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
telephone
exchange
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
CA209341A
Other languages
English (en)
Inventor
Polinkowsky Lipa
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 WESTERN ELECTRIC CO
Original Assignee
INTERNATIONAL WESTERN ELECTRIC CO
Publication date
Application granted granted Critical
Publication of CA209341A publication Critical patent/CA209341A/fr
Expired legal-status Critical Current

Links

CA209341A Systeme d'echange telephonique Expired CA209341A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA209341T

Publications (1)

Publication Number Publication Date
CA209341A true CA209341A (fr) 1921-03-08

Family

ID=35103120

Family Applications (1)

Application Number Title Priority Date Filing Date
CA209341A Expired CA209341A (fr) Systeme d'echange telephonique

Country Status (1)

Country Link
CA (1) CA209341A (fr)

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