CA462914A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number
CA462914A
CA462914A CA462914A CA462914DA CA462914A CA 462914 A CA462914 A CA 462914A CA 462914 A CA462914 A CA 462914A CA 462914D A CA462914D A CA 462914DA CA 462914 A CA462914 A CA 462914A
Authority
CA
Canada
Prior art keywords
signalling system
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
CA462914A
Other languages
English (en)
Inventor
H. Halvorsen Ralph
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.)
AT&T Teletype Corp
Original Assignee
Teletype Corp
Publication date
Application granted granted Critical
Publication of CA462914A publication Critical patent/CA462914A/fr
Expired legal-status Critical Current

Links

CA462914A Systeme de signalisation Expired CA462914A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA462914T

Publications (1)

Publication Number Publication Date
CA462914A true CA462914A (fr) 1950-01-31

Family

ID=35592623

Family Applications (1)

Application Number Title Priority Date Filing Date
CA462914A Expired CA462914A (fr) Systeme de signalisation

Country Status (1)

Country Link
CA (1) CA462914A (fr)

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