CA245446A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA245446A
CA245446A CA245446A CA245446DA CA245446A CA 245446 A CA245446 A CA 245446A CA 245446 A CA245446 A CA 245446A CA 245446D A CA245446D A CA 245446DA CA 245446 A CA245446 A CA 245446A
Authority
CA
Canada
Prior art keywords
telephone system
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
CA245446A
Other languages
English (en)
Inventor
Bessey Smith 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 CA245446A publication Critical patent/CA245446A/fr
Expired legal-status Critical Current

Links

CA245446A Systeme telephonique Expired CA245446A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA245446T

Publications (1)

Publication Number Publication Date
CA245446A true CA245446A (fr) 1924-12-16

Family

ID=35152421

Family Applications (1)

Application Number Title Priority Date Filing Date
CA245446A Expired CA245446A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA245446A (fr)

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