CA245451A - Systeme telephonique automatique - Google Patents

Systeme telephonique automatique

Info

Publication number
CA245451A
CA245451A CA245451A CA245451DA CA245451A CA 245451 A CA245451 A CA 245451A CA 245451 A CA245451 A CA 245451A CA 245451D A CA245451D A CA 245451DA CA 245451 A CA245451 A CA 245451A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA245451A
Other languages
English (en)
Inventor
J. Ray Arthur
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA245451A publication Critical patent/CA245451A/fr
Expired legal-status Critical Current

Links

CA245451A Systeme telephonique automatique Expired CA245451A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA245451T

Publications (1)

Publication Number Publication Date
CA245451A true CA245451A (fr) 1924-12-16

Family

ID=35152426

Family Applications (1)

Application Number Title Priority Date Filing Date
CA245451A Expired CA245451A (fr) Systeme telephonique automatique

Country Status (1)

Country Link
CA (1) CA245451A (fr)

Similar Documents

Publication Publication Date Title
CA237629A (fr) Systeme telephonique
CA240101A (fr) Systeme telephonique automatique
CA240102A (fr) Systeme telephonique automatique
CA240103A (fr) Systeme telephonique automatique
CA240104A (fr) Systeme telephonique automatique
CA244032A (fr) Systeme telephonique automatique
CA244033A (fr) Systeme telephonique automatique
CA244034A (fr) Systeme telephonique automatique
CA245451A (fr) Systeme telephonique automatique
CA245796A (fr) Systeme telephonique automatique
CA245447A (fr) Systeme telephonique automatique a bureaux multiples
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