CA337384A - Systeme de central telephonique - Google Patents

Systeme de central telephonique

Info

Publication number
CA337384A
CA337384A CA337384A CA337384DA CA337384A CA 337384 A CA337384 A CA 337384A CA 337384 A CA337384 A CA 337384A CA 337384D A CA337384D A CA 337384DA CA 337384 A CA337384 A CA 337384A
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
CA337384A
Other languages
English (en)
Inventor
Hovland Henry
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 CA337384A publication Critical patent/CA337384A/fr
Expired legal-status Critical Current

Links

CA337384A Systeme de central telephonique Expired CA337384A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA337384T

Publications (1)

Publication Number Publication Date
CA337384A true CA337384A (fr) 1933-11-21

Family

ID=35300526

Family Applications (1)

Application Number Title Priority Date Filing Date
CA337384A Expired CA337384A (fr) Systeme de central telephonique

Country Status (1)

Country Link
CA (1) CA337384A (fr)

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