CA625603A - Automatic telephone and like signalling systems - Google Patents

Automatic telephone and like signalling systems

Info

Publication number
CA625603A
CA625603A CA625603A CA625603DA CA625603A CA 625603 A CA625603 A CA 625603A CA 625603 A CA625603 A CA 625603A CA 625603D A CA625603D A CA 625603DA CA 625603 A CA625603 A CA 625603A
Authority
CA
Canada
Prior art keywords
automatic telephone
signalling systems
signalling
systems
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
CA625603A
Inventor
J. Warman Bloomfield
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.)
Siemens Edison Swan Ltd
Original Assignee
Siemens Edison Swan Ltd
Publication date
Application granted granted Critical
Publication of CA625603A publication Critical patent/CA625603A/en
Expired legal-status Critical Current

Links

CA625603A Automatic telephone and like signalling systems Expired CA625603A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA625603T

Publications (1)

Publication Number Publication Date
CA625603A true CA625603A (en) 1961-08-15

Family

ID=35880776

Family Applications (1)

Application Number Title Priority Date Filing Date
CA625603A Expired CA625603A (en) Automatic telephone and like signalling systems

Country Status (1)

Country Link
CA (1) CA625603A (en)

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