CA34500A - Systeme d'echange telephonique - Google Patents

Systeme d'echange telephonique

Info

Publication number
CA34500A
CA34500A CA000034500A CA34500DA CA34500A CA 34500 A CA34500 A CA 34500A CA 000034500 A CA000034500 A CA 000034500A CA 34500D A CA34500D A CA 34500DA CA 34500 A CA34500 A CA 34500A
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
CA000034500A
Other languages
English (en)
Inventor
Charles E. Scribner
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 CA34500A publication Critical patent/CA34500A/fr
Expired legal-status Critical Current

Links

CA000034500A Systeme d'echange telephonique Expired CA34500A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA34500T

Publications (1)

Publication Number Publication Date
CA34500A true CA34500A (fr) 1890-06-09

Family

ID=45151040

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000034500A Expired CA34500A (fr) Systeme d'echange telephonique

Country Status (1)

Country Link
CA (1) CA34500A (fr)

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