CA477407A - Systemes de signalisation - Google Patents

Systemes de signalisation

Info

Publication number
CA477407A
CA477407A CA477407A CA477407DA CA477407A CA 477407 A CA477407 A CA 477407A CA 477407 A CA477407 A CA 477407A CA 477407D A CA477407D A CA 477407DA CA 477407 A CA477407 A CA 477407A
Authority
CA
Canada
Prior art keywords
signalling systems
signalling
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
CA477407A
Other languages
English (en)
Inventor
Brydon Rudd James
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.)
Amalgamated Wireless Australasia Ltd
Original Assignee
Amalgamated Wireless Australasia Ltd
Publication date
Application granted granted Critical
Publication of CA477407A publication Critical patent/CA477407A/fr
Expired legal-status Critical Current

Links

CA477407A Systemes de signalisation Expired CA477407A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA477407T

Publications (1)

Publication Number Publication Date
CA477407A true CA477407A (fr) 1951-10-02

Family

ID=35617052

Family Applications (1)

Application Number Title Priority Date Filing Date
CA477407A Expired CA477407A (fr) Systemes de signalisation

Country Status (1)

Country Link
CA (1) CA477407A (fr)

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