CA164329A - Systeme d'echange telephonique - Google Patents

Systeme d'echange telephonique

Info

Publication number
CA164329A
CA164329A CA000164329A CA164329DA CA164329A CA 164329 A CA164329 A CA 164329A CA 000164329 A CA000164329 A CA 000164329A CA 164329D A CA164329D A CA 164329DA CA 164329 A CA164329 A CA 164329A
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
CA000164329A
Other languages
English (en)
Inventor
Ltd. The Northern Electric And Manufacturing Company
Frank Robert Mcberty
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 CA164329A publication Critical patent/CA164329A/fr
Expired legal-status Critical Current

Links

CA000164329A 1911-01-31 1911-01-31 Systeme d'echange telephonique Expired CA164329A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA164329T 1911-01-31

Publications (1)

Publication Number Publication Date
CA164329A true CA164329A (fr) 1915-08-17

Family

ID=45284009

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000164329A Expired CA164329A (fr) 1911-01-31 1911-01-31 Systeme d'echange telephonique

Country Status (1)

Country Link
CA (1) CA164329A (fr)

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