CA639941A - Party-line arrangements for automatic telephone switching systems - Google Patents

Party-line arrangements for automatic telephone switching systems

Info

Publication number
CA639941A
CA639941A CA639941A CA639941DA CA639941A CA 639941 A CA639941 A CA 639941A CA 639941 A CA639941 A CA 639941A CA 639941D A CA639941D A CA 639941DA CA 639941 A CA639941 A CA 639941A
Authority
CA
Canada
Prior art keywords
party
telephone switching
switching systems
automatic telephone
line arrangements
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
CA639941A
Inventor
A. Beasley Harold
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA639941A publication Critical patent/CA639941A/en
Expired legal-status Critical Current

Links

CA639941A Party-line arrangements for automatic telephone switching systems Expired CA639941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA639941T

Publications (1)

Publication Number Publication Date
CA639941A true CA639941A (en) 1962-04-17

Family

ID=35918455

Family Applications (1)

Application Number Title Priority Date Filing Date
CA639941A Expired CA639941A (en) Party-line arrangements for automatic telephone switching systems

Country Status (1)

Country Link
CA (1) CA639941A (en)

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