CA678432A - Electronic switching telephone system - Google Patents

Electronic switching telephone system

Info

Publication number
CA678432A
CA678432A CA678432A CA678432DA CA678432A CA 678432 A CA678432 A CA 678432A CA 678432 A CA678432 A CA 678432A CA 678432D A CA678432D A CA 678432DA CA 678432 A CA678432 A CA 678432A
Authority
CA
Canada
Prior art keywords
telephone system
electronic switching
switching telephone
electronic
telephone
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
CA678432A
Inventor
Arthur J. Radcliffe, Jr.
A. Pickering Thomas
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.)
Standard Telephone and Cables Manufacturing Canada Ltd
Original Assignee
Standard Telephone and Cables Manufacturing Canada Ltd
Publication date
Application granted granted Critical
Publication of CA678432A publication Critical patent/CA678432A/en
Expired legal-status Critical Current

Links

CA678432A Electronic switching telephone system Expired CA678432A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA678432T

Publications (1)

Publication Number Publication Date
CA678432A true CA678432A (en) 1964-01-21

Family

ID=35979520

Family Applications (1)

Application Number Title Priority Date Filing Date
CA678432A Expired CA678432A (en) Electronic switching telephone system

Country Status (1)

Country Link
CA (1) CA678432A (en)

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