CA541880A - Electrical signalling systems - Google Patents

Electrical signalling systems

Info

Publication number
CA541880A
CA541880A CA541880A CA541880DA CA541880A CA 541880 A CA541880 A CA 541880A CA 541880 A CA541880 A CA 541880A CA 541880D A CA541880D A CA 541880DA CA 541880 A CA541880 A CA 541880A
Authority
CA
Canada
Prior art keywords
signalling systems
electrical signalling
electrical
systems
signalling
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
CA541880A
Other languages
French (fr)
Inventor
C. Stenning Luis
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Publication date
Application granted granted Critical
Publication of CA541880A publication Critical patent/CA541880A/en
Expired legal-status Critical Current

Links

CA541880A Electrical signalling systems Expired CA541880A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA541880T

Publications (1)

Publication Number Publication Date
CA541880A true CA541880A (en) 1957-06-04

Family

ID=35699033

Family Applications (1)

Application Number Title Priority Date Filing Date
CA541880A Expired CA541880A (en) Electrical signalling systems

Country Status (1)

Country Link
CA (1) CA541880A (en)

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