CA238143A - Systeme telephonique - Google Patents

Systeme telephonique

Info

Publication number
CA238143A
CA238143A CA238143A CA238143DA CA238143A CA 238143 A CA238143 A CA 238143A CA 238143 A CA238143 A CA 238143A CA 238143D A CA238143D A CA 238143DA CA 238143 A CA238143 A CA 238143A
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
CA238143A
Other languages
English (en)
Inventor
E. Lomax Clarence
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 CA238143A publication Critical patent/CA238143A/fr
Expired legal-status Critical Current

Links

CA238143A Systeme telephonique Expired CA238143A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA238143T

Publications (1)

Publication Number Publication Date
CA238143A true CA238143A (fr) 1924-02-26

Family

ID=35142175

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238143A Expired CA238143A (fr) Systeme telephonique

Country Status (1)

Country Link
CA (1) CA238143A (fr)

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