CA462877A - Automatic telephone exchange system-universal system - Google Patents

Automatic telephone exchange system-universal system

Info

Publication number
CA462877A
CA462877A CA462877A CA462877DA CA462877A CA 462877 A CA462877 A CA 462877A CA 462877 A CA462877 A CA 462877A CA 462877D A CA462877D A CA 462877DA CA 462877 A CA462877 A CA 462877A
Authority
CA
Canada
Prior art keywords
telephone exchange
automatic telephone
universal
exchange system
universal system
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
CA462877A
Other languages
French (fr)
Inventor
Deakin Gerald
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
Publication date
Application granted granted Critical
Publication of CA462877A publication Critical patent/CA462877A/en
Expired legal-status Critical Current

Links

CA462877A Automatic telephone exchange system-universal system Expired CA462877A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA462877T

Publications (1)

Publication Number Publication Date
CA462877A true CA462877A (en) 1950-01-31

Family

ID=35592583

Family Applications (1)

Application Number Title Priority Date Filing Date
CA462877A Expired CA462877A (en) Automatic telephone exchange system-universal system

Country Status (1)

Country Link
CA (1) CA462877A (en)

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