CA166278A - Systeme d'echange telephonique - Google Patents

Systeme d'echange telephonique

Info

Publication number
CA166278A
CA166278A CA000166278A CA166278DA CA166278A CA 166278 A CA166278 A CA 166278A CA 000166278 A CA000166278 A CA 000166278A CA 166278D A CA166278D A CA 166278DA CA 166278 A CA166278 A CA 166278A
Authority
CA
Canada
Prior art keywords
exchange system
telephone exchange
telephone
exchange
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
CA000166278A
Other languages
English (en)
Inventor
Frank Robert Mcberty
Northern Electric And Manufacturing Company The
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
Nortel Networks Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nortel Networks Ltd filed Critical Nortel Networks Ltd
Application granted granted Critical
Publication of CA166278A publication Critical patent/CA166278A/fr
Expired legal-status Critical Current

Links

CA000166278A 1911-02-08 1911-02-08 Systeme d'echange telephonique Expired CA166278A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA166278T 1911-02-08

Publications (1)

Publication Number Publication Date
CA166278A true CA166278A (fr) 1915-11-30

Family

ID=45285956

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000166278A Expired CA166278A (fr) 1911-02-08 1911-02-08 Systeme d'echange telephonique

Country Status (1)

Country Link
CA (1) CA166278A (fr)

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