CA244032A - Systeme telephonique automatique - Google Patents

Systeme telephonique automatique

Info

Publication number
CA244032A
CA244032A CA244032A CA244032DA CA244032A CA 244032 A CA244032 A CA 244032A CA 244032 A CA244032 A CA 244032A CA 244032D A CA244032D A CA 244032DA CA 244032 A CA244032 A CA 244032A
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
CA244032A
Other languages
English (en)
Inventor
G. Richardson Rodney
L. Nelson Martin
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 CA244032A publication Critical patent/CA244032A/fr
Expired legal-status Critical Current

Links

CA244032A Systeme telephonique automatique Expired CA244032A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA244032T

Publications (1)

Publication Number Publication Date
CA244032A true CA244032A (fr) 1924-10-28

Family

ID=35148059

Family Applications (1)

Application Number Title Priority Date Filing Date
CA244032A Expired CA244032A (fr) Systeme telephonique automatique

Country Status (1)

Country Link
CA (1) CA244032A (fr)

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