CA243190A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA243190A
CA243190A CA243190A CA243190DA CA243190A CA 243190 A CA243190 A CA 243190A CA 243190 A CA243190 A CA 243190A CA 243190D A CA243190D A CA 243190DA CA 243190 A CA243190 A CA 243190A
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
CA243190A
Other languages
English (en)
Inventor
A. Benson William
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 CA243190A publication Critical patent/CA243190A/fr
Expired legal-status Critical Current

Links

CA243190A Systeme telephonique Expired CA243190A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA243190T

Publications (1)

Publication Number Publication Date
CA243190A true CA243190A (fr) 1924-09-23

Family

ID=35147218

Family Applications (1)

Application Number Title Priority Date Filing Date
CA243190A Expired CA243190A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA243190A (fr)

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