CA424316A - Systeme electrique de signalisation selective - Google Patents

Systeme electrique de signalisation selective

Info

Publication number
CA424316A
CA424316A CA424316A CA424316DA CA424316A CA 424316 A CA424316 A CA 424316A CA 424316 A CA424316 A CA 424316A CA 424316D A CA424316D A CA 424316DA CA 424316 A CA424316 A CA 424316A
Authority
CA
Canada
Prior art keywords
signalling system
selective signalling
electrical selective
electrical
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
CA424316A
Other languages
English (en)
Inventor
Percy Bailey Renshaw Alfred
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 CA424316A publication Critical patent/CA424316A/fr
Expired legal-status Critical Current

Links

CA424316A Systeme electrique de signalisation selective Expired CA424316A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA424316T

Publications (1)

Publication Number Publication Date
CA424316A true CA424316A (fr) 1944-12-12

Family

ID=35535331

Family Applications (1)

Application Number Title Priority Date Filing Date
CA424316A Expired CA424316A (fr) Systeme electrique de signalisation selective

Country Status (1)

Country Link
CA (1) CA424316A (fr)

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