CA379051A - Systeme selectif de signalisation - Google Patents

Systeme selectif de signalisation

Info

Publication number
CA379051A
CA379051A CA379051A CA379051DA CA379051A CA 379051 A CA379051 A CA 379051A CA 379051 A CA379051 A CA 379051A CA 379051D A CA379051D A CA 379051DA CA 379051 A CA379051 A CA 379051A
Authority
CA
Canada
Prior art keywords
signalling system
selective signalling
selective
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
CA379051A
Other languages
English (en)
Inventor
S. Benjamin Abraham
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 CA379051A publication Critical patent/CA379051A/fr
Expired legal-status Critical Current

Links

CA379051A Systeme selectif de signalisation Expired CA379051A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA379051T

Publications (1)

Publication Number Publication Date
CA379051A true CA379051A (fr) 1939-01-24

Family

ID=35383375

Family Applications (1)

Application Number Title Priority Date Filing Date
CA379051A Expired CA379051A (fr) Systeme selectif de signalisation

Country Status (1)

Country Link
CA (1) CA379051A (fr)

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