CA167036A - Systeme d'echange telephonique - Google Patents

Systeme d'echange telephonique

Info

Publication number
CA167036A
CA167036A CA000167036A CA167036DA CA167036A CA 167036 A CA167036 A CA 167036A CA 000167036 A CA000167036 A CA 000167036A CA 167036D A CA167036D A CA 167036DA CA 167036 A CA167036 A CA 167036A
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
CA000167036A
Other languages
English (en)
Inventor
Northern Electric And Manufacturing Company The
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
Northern Electric Co 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 Northern Electric Co Ltd filed Critical Northern Electric Co Ltd
Application granted granted Critical
Publication of CA167036A publication Critical patent/CA167036A/fr
Expired legal-status Critical Current

Links

CA000167036A 1911-06-17 1911-06-17 Systeme d'echange telephonique Expired CA167036A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA167036T 1911-06-17

Publications (1)

Publication Number Publication Date
CA167036A true CA167036A (fr) 1916-01-11

Family

ID=45286709

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000167036A Expired CA167036A (fr) 1911-06-17 1911-06-17 Systeme d'echange telephonique

Country Status (1)

Country Link
CA (1) CA167036A (fr)

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