CA633341A - Telephone or like systems - Google Patents

Telephone or like systems

Info

Publication number
CA633341A
CA633341A CA633341A CA633341DA CA633341A CA 633341 A CA633341 A CA 633341A CA 633341 A CA633341 A CA 633341A CA 633341D A CA633341D A CA 633341DA CA 633341 A CA633341 A CA 633341A
Authority
CA
Canada
Prior art keywords
telephone
systems
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
CA633341A
Inventor
T. Baker George
E. Mann Victor
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.)
British Telecommunications PLC
Original Assignee
British Telecommunications PLC
Publication date
Application granted granted Critical
Publication of CA633341A publication Critical patent/CA633341A/en
Expired legal-status Critical Current

Links

CA633341A Telephone or like systems Expired CA633341A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA633341T

Publications (1)

Publication Number Publication Date
CA633341A true CA633341A (en) 1961-12-26

Family

ID=35889496

Family Applications (1)

Application Number Title Priority Date Filing Date
CA633341A Expired CA633341A (en) Telephone or like systems

Country Status (1)

Country Link
CA (1) CA633341A (en)

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