CA210753A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA210753A
CA210753A CA210753A CA210753DA CA210753A CA 210753 A CA210753 A CA 210753A CA 210753 A CA210753 A CA 210753A CA 210753D A CA210753D A CA 210753DA CA 210753 A CA210753 A CA 210753A
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
CA210753A
Other languages
English (en)
Inventor
G. Blessing 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 CA210753A publication Critical patent/CA210753A/fr
Expired legal-status Critical Current

Links

CA210753A Systeme telephonique Expired CA210753A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA210753T

Publications (1)

Publication Number Publication Date
CA210753A true CA210753A (fr) 1921-04-19

Family

ID=35104532

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210753A Expired CA210753A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA210753A (fr)

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