CA483965A - Systemes de signalisation a multi-canalisation - Google Patents

Systemes de signalisation a multi-canalisation

Info

Publication number
CA483965A
CA483965A CA483965A CA483965DA CA483965A CA 483965 A CA483965 A CA 483965A CA 483965 A CA483965 A CA 483965A CA 483965D A CA483965D A CA 483965DA CA 483965 A CA483965 A CA 483965A
Authority
CA
Canada
Prior art keywords
signalling systems
multichannel
multichannel signalling
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
CA483965A
Other languages
English (en)
Inventor
Illingworth Lawson Dennis
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.)
Pye Electronic Products Ltd
Original Assignee
Pye Ltd
Publication date
Application granted granted Critical
Publication of CA483965A publication Critical patent/CA483965A/fr
Expired legal-status Critical Current

Links

CA483965A Systemes de signalisation a multi-canalisation Expired CA483965A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA483965T

Publications (1)

Publication Number Publication Date
CA483965A true CA483965A (fr) 1952-06-10

Family

ID=35623656

Family Applications (1)

Application Number Title Priority Date Filing Date
CA483965A Expired CA483965A (fr) Systemes de signalisation a multi-canalisation

Country Status (1)

Country Link
CA (1) CA483965A (fr)

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