CA512876A - Systemes de signalisation electrique - Google Patents

Systemes de signalisation electrique

Info

Publication number
CA512876A
CA512876A CA512876A CA512876DA CA512876A CA 512876 A CA512876 A CA 512876A CA 512876 A CA512876 A CA 512876A CA 512876D A CA512876D A CA 512876DA CA 512876 A CA512876 A CA 512876A
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
CA512876A
Other languages
English (en)
Inventor
T. Baker George
Davison Alan
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.)
Automatic Telephone and Electric Co Ltd
Original Assignee
Automatic Telephone and Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA512876A publication Critical patent/CA512876A/fr
Expired legal-status Critical Current

Links

CA512876A Systemes de signalisation electrique Expired CA512876A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA512876T

Publications (1)

Publication Number Publication Date
CA512876A true CA512876A (fr) 1955-05-17

Family

ID=35663952

Family Applications (1)

Application Number Title Priority Date Filing Date
CA512876A Expired CA512876A (fr) Systemes de signalisation electrique

Country Status (1)

Country Link
CA (1) CA512876A (fr)

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