CA239132A - Systeme telephonique a commutateur mecanique - Google Patents

Systeme telephonique a commutateur mecanique

Info

Publication number
CA239132A
CA239132A CA239132A CA239132DA CA239132A CA 239132 A CA239132 A CA 239132A CA 239132 A CA239132 A CA 239132A CA 239132D A CA239132D A CA 239132DA CA 239132 A CA239132 A CA 239132A
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
CA239132A
Other languages
English (en)
Inventor
C. Arterm Roy
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA239132A publication Critical patent/CA239132A/fr
Expired legal-status Critical Current

Links

CA239132A Systeme telephonique a commutateur mecanique Expired CA239132A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA239132T

Publications (1)

Publication Number Publication Date
CA239132A true CA239132A (fr) 1924-04-08

Family

ID=35143163

Family Applications (1)

Application Number Title Priority Date Filing Date
CA239132A Expired CA239132A (fr) Systeme telephonique a commutateur mecanique

Country Status (1)

Country Link
CA (1) CA239132A (fr)

Similar Documents

Publication Publication Date Title
CA237629A (fr) Systeme telephonique
CA239132A (fr) Systeme telephonique a commutateur mecanique
CA238896A (fr) Systeme telephonique a commutation mecanique
CA238898A (fr) Systeme de central telephonique a commutation mecanique
CA234007A (fr) Systeme telephonique a commutation mecanique
CA238131A (fr) Commutateur telephonique
CA238339A (fr) Commutateur telephonique
CA239070A (fr) Commutateur telephonique
CA237104A (fr) Systeme telephonique
CA237105A (fr) Systeme telephonique
CA237254A (fr) Systeme telephonique
CA237255A (fr) Systeme telephonique
CA237256A (fr) Systeme telephonique
CA237620A (fr) Systeme telephonique
CA237621A (fr) Systeme telephonique
CA237623A (fr) Systeme telephonique
CA237625A (fr) Systeme telephonique
CA237626A (fr) Systeme telephonique
CA237627A (fr) Systeme telephonique
CA237630A (fr) Systeme telephonique
CA237631A (fr) Systeme telephonique
CA238138A (fr) Systeme telephonique
CA238139A (fr) Systeme telephonique
CA238140A (fr) Systeme telephonique
CA238141A (fr) Systeme telephonique