CA234011A - Systeme d'echange telephonique a commutation mecanique - Google Patents

Systeme d'echange telephonique a commutation mecanique

Info

Publication number
CA234011A
CA234011A CA234011A CA234011DA CA234011A CA 234011 A CA234011 A CA 234011A CA 234011 A CA234011 A CA 234011A CA 234011D A CA234011D A CA 234011DA CA 234011 A CA234011 A CA 234011A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
machine switching
switching telephone
machine
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
CA234011A
Other languages
English (en)
Inventor
W. Carpenter Warren
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 CA234011A publication Critical patent/CA234011A/fr
Expired legal-status Critical Current

Links

CA234011A Systeme d'echange telephonique a commutation mecanique Expired CA234011A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA234011T

Publications (1)

Publication Number Publication Date
CA234011A true CA234011A (fr) 1923-09-04

Family

ID=35131385

Family Applications (1)

Application Number Title Priority Date Filing Date
CA234011A Expired CA234011A (fr) Systeme d'echange telephonique a commutation mecanique

Country Status (1)

Country Link
CA (1) CA234011A (fr)

Similar Documents

Publication Publication Date Title
CA215081A (fr) Systeme d'echange telephonique mecanique
CA234011A (fr) Systeme d'echange telephonique a commutation mecanique
CA233547A (fr) Systeme d'echange telephonique a commutation mecanique
CA234007A (fr) Systeme telephonique a commutation mecanique
CA224515A (fr) Systeme d'echange telephonique a commutation mecanique
CA225790A (fr) Systeme d'echange telephonique a commutateur mecanique
CA238898A (fr) Systeme de central telephonique a commutation mecanique
CA227656A (fr) Systeme d'echange telephonique
CA227657A (fr) Systeme d'echange telephonique
CA228574A (fr) Systeme d'echange telephonique
CA229166A (fr) Systeme d'echange telephonique
CA229689A (fr) Systeme d'echange telephonique
CA229949A (fr) Systeme d'echange telephonique
CA230555A (fr) Systeme d'echange telephonique
CA232096A (fr) Systeme d'echange telephonique
CA232255A (fr) Systeme d'echange telephonique
CA232451A (fr) Systeme d'echange telephonique
CA232967A (fr) Systeme d'echange telephonique
CA234001A (fr) Systeme d'echange telephonique
CA234005A (fr) Systeme d'echange telephonique
CA234009A (fr) Systeme d'echange telephonique
CA234551A (fr) Systeme d'echange telephonique
CA235814A (fr) Systeme d'echange telephonique
CA233168A (fr) Exchange telephonique
CA234541A (fr) Systeme d'echange telephonique