CA243191A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA243191A
CA243191A CA243191A CA243191DA CA243191A CA 243191 A CA243191 A CA 243191A CA 243191 A CA243191 A CA 243191A CA 243191D A CA243191D A CA 243191DA CA 243191 A CA243191 A CA 243191A
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
CA243191A
Other languages
English (en)
Inventor
I. Bellamy John
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 CA243191A publication Critical patent/CA243191A/fr
Expired legal-status Critical Current

Links

CA243191A Systeme telephonique Expired CA243191A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA243191T

Publications (1)

Publication Number Publication Date
CA243191A true CA243191A (fr) 1924-09-23

Family

ID=35147219

Family Applications (1)

Application Number Title Priority Date Filing Date
CA243191A Expired CA243191A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA243191A (fr)

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