CA234007A - Systeme telephonique a commutation mecanique - Google Patents

Systeme telephonique a commutation mecanique

Info

Publication number
CA234007A
CA234007A CA234007A CA234007DA CA234007A CA 234007 A CA234007 A CA 234007A CA 234007 A CA234007 A CA 234007A CA 234007D A CA234007D A CA 234007DA CA 234007 A CA234007 A CA 234007A
Authority
CA
Canada
Prior art keywords
telephone system
machine switching
switching telephone
machine
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
CA234007A
Other languages
English (en)
Inventor
N. Reynolds John
L. Goodrum Charles
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 CA234007A publication Critical patent/CA234007A/fr
Expired legal-status Critical Current

Links

CA234007A Systeme telephonique a commutation mecanique Expired CA234007A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA234007T

Publications (1)

Publication Number Publication Date
CA234007A true CA234007A (fr) 1923-09-04

Family

ID=35131381

Family Applications (1)

Application Number Title Priority Date Filing Date
CA234007A Expired CA234007A (fr) Systeme telephonique a commutation mecanique

Country Status (1)

Country Link
CA (1) CA234007A (fr)

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