CA345725A - Systeme de signalisation - Google Patents

Systeme de signalisation

Info

Publication number
CA345725A
CA345725A CA345725A CA345725DA CA345725A CA 345725 A CA345725 A CA 345725A CA 345725 A CA345725 A CA 345725A CA 345725D A CA345725D A CA 345725DA CA 345725 A CA345725 A CA 345725A
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
CA345725A
Other languages
English (en)
Inventor
Morton Sterling
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 CA345725A publication Critical patent/CA345725A/fr
Expired legal-status Critical Current

Links

CA345725A Systeme de signalisation Expired CA345725A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA345725T

Publications (1)

Publication Number Publication Date
CA345725A true CA345725A (fr) 1934-10-30

Family

ID=35316999

Family Applications (1)

Application Number Title Priority Date Filing Date
CA345725A Expired CA345725A (fr) Systeme de signalisation

Country Status (1)

Country Link
CA (1) CA345725A (fr)

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