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CA163714A - Systeme d'echange telephonique - Google Patents

Systeme d'echange telephonique

Info

Publication number
CA163714A
CA163714A CA000163714A CA163714DA CA163714A CA 163714 A CA163714 A CA 163714A CA 000163714 A CA000163714 A CA 000163714A CA 163714D A CA163714D A CA 163714DA CA 163714 A CA163714 A CA 163714A
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
CA000163714A
Other languages
English (en)
Inventor
Frank Norris Reeves
Western Electric 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.)
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 CA163714A publication Critical patent/CA163714A/fr
Expired legal-status Critical Current

Links

CA000163714A 1913-05-28 1913-05-28 Systeme d'echange telephonique Expired CA163714A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA163714T 1913-05-28

Publications (1)

Publication Number Publication Date
CA163714A true CA163714A (fr) 1915-07-13

Family

ID=45283396

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000163714A Expired CA163714A (fr) 1913-05-28 1913-05-28 Systeme d'echange telephonique

Country Status (1)

Country Link
CA (1) CA163714A (fr)

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