CA460749A - Tie lines for automatic telephone exchange - Google Patents

Tie lines for automatic telephone exchange

Info

Publication number
CA460749A
CA460749A CA460749A CA460749DA CA460749A CA 460749 A CA460749 A CA 460749A CA 460749 A CA460749 A CA 460749A CA 460749D A CA460749D A CA 460749DA CA 460749 A CA460749 A CA 460749A
Authority
CA
Canada
Prior art keywords
telephone exchange
automatic telephone
tie lines
tie
lines
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
CA460749A
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 CA460749A publication Critical patent/CA460749A/en
Expired legal-status Critical Current

Links

CA460749A Tie lines for automatic telephone exchange Expired CA460749A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA460749T

Publications (1)

Publication Number Publication Date
CA460749A true CA460749A (en) 1949-11-01

Family

ID=35590426

Family Applications (1)

Application Number Title Priority Date Filing Date
CA460749A Expired CA460749A (en) Tie lines for automatic telephone exchange

Country Status (1)

Country Link
CA (1) CA460749A (en)

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