CA599314A - Telephone systems - Google Patents

Telephone systems

Info

Publication number
CA599314A
CA599314A CA599314A CA599314DA CA599314A CA 599314 A CA599314 A CA 599314A CA 599314 A CA599314 A CA 599314A CA 599314D A CA599314D A CA 599314DA CA 599314 A CA599314 A CA 599314A
Authority
CA
Canada
Prior art keywords
telephone systems
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
CA599314A
Inventor
E. Mann Victor
T. Baker George
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 CA599314A publication Critical patent/CA599314A/en
Expired legal-status Critical Current

Links

CA599314A Telephone systems Expired CA599314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA599314T

Publications (1)

Publication Number Publication Date
CA599314A true CA599314A (en) 1960-06-07

Family

ID=35815095

Family Applications (1)

Application Number Title Priority Date Filing Date
CA599314A Expired CA599314A (en) Telephone systems

Country Status (1)

Country Link
CA (1) CA599314A (en)

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