CA338908A - Systeme de central telephonique - Google Patents

Systeme de central telephonique

Info

Publication number
CA338908A
CA338908A CA338908A CA338908DA CA338908A CA 338908 A CA338908 A CA 338908A CA 338908 A CA338908 A CA 338908A CA 338908D A CA338908D A CA 338908DA CA 338908 A CA338908 A CA 338908A
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
CA338908A
Other languages
English (en)
Inventor
Early Hague Alfred
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
Publication date
Application granted granted Critical
Publication of CA338908A publication Critical patent/CA338908A/fr
Expired legal-status Critical Current

Links

CA338908A Systeme de central telephonique Expired CA338908A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA338908T

Publications (1)

Publication Number Publication Date
CA338908A true CA338908A (fr) 1934-01-23

Family

ID=35302049

Family Applications (1)

Application Number Title Priority Date Filing Date
CA338908A Expired CA338908A (fr) Systeme de central telephonique

Country Status (1)

Country Link
CA (1) CA338908A (fr)

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