CA165404A - System ed'echange telejhonique - Google Patents

System ed'echange telejhonique

Info

Publication number
CA165404A
CA165404A CA000165404A CA165404DA CA165404A CA 165404 A CA165404 A CA 165404A CA 000165404 A CA000165404 A CA 000165404A CA 165404D A CA165404D A CA 165404DA CA 165404 A CA165404 A CA 165404A
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
CA000165404A
Other languages
English (en)
Inventor
Western Electric Company The
Frank Robert Mcberty
Limited The Electric Properties
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA165404A publication Critical patent/CA165404A/fr
Expired legal-status Critical Current

Links

CA000165404A 1913-12-05 1913-12-05 System ed'echange telejhonique Expired CA165404A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA165404T 1913-12-05

Publications (1)

Publication Number Publication Date
CA165404A true CA165404A (fr) 1915-10-12

Family

ID=45285084

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000165404A Expired CA165404A (fr) 1913-12-05 1913-12-05 System ed'echange telejhonique

Country Status (1)

Country Link
CA (1) CA165404A (fr)

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