CA253549A - Reseau telephonique - Google Patents

Reseau telephonique

Info

Publication number
CA253549A
CA253549A CA253549A CA253549DA CA253549A CA 253549 A CA253549 A CA 253549A CA 253549 A CA253549 A CA 253549A CA 253549D A CA253549D A CA 253549DA CA 253549 A CA253549 A CA 253549A
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
CA253549A
Other languages
English (en)
Inventor
I. Bellamy John
E. Gardner 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 CA253549A publication Critical patent/CA253549A/fr
Expired legal-status Critical Current

Links

CA253549A Reseau telephonique Expired CA253549A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA253549T

Publications (1)

Publication Number Publication Date
CA253549A true CA253549A (fr) 1925-09-08

Family

ID=35162099

Family Applications (1)

Application Number Title Priority Date Filing Date
CA253549A Expired CA253549A (fr) Reseau telephonique

Country Status (1)

Country Link
CA (1) CA253549A (fr)

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