CA292999A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA292999A
CA292999A CA292999A CA292999DA CA292999A CA 292999 A CA292999 A CA 292999A CA 292999 A CA292999 A CA 292999A CA 292999D A CA292999D A CA 292999DA CA 292999 A CA292999 A CA 292999A
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
CA292999A
Other languages
English (en)
Inventor
I. Bellamy John
F. Stehlik Rudolph
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 CA292999A publication Critical patent/CA292999A/fr
Expired legal-status Critical Current

Links

CA292999A Systeme telephonique Expired CA292999A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA292999T

Publications (1)

Publication Number Publication Date
CA292999A true CA292999A (fr) 1929-09-10

Family

ID=35230318

Family Applications (1)

Application Number Title Priority Date Filing Date
CA292999A Expired CA292999A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA292999A (fr)

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