CA408895A - Selective signalling system - Google Patents

Selective signalling system

Info

Publication number
CA408895A
CA408895A CA408895A CA408895DA CA408895A CA 408895 A CA408895 A CA 408895A CA 408895 A CA408895 A CA 408895A CA 408895D A CA408895D A CA 408895DA CA 408895 A CA408895 A CA 408895A
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
CA408895A
Other languages
French (fr)
Inventor
S. Hulfish David
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 CA408895A publication Critical patent/CA408895A/en
Expired legal-status Critical Current

Links

CA408895A Selective signalling system Expired CA408895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA408895T

Publications (1)

Publication Number Publication Date
CA408895A true CA408895A (en) 1942-11-24

Family

ID=35420196

Family Applications (1)

Application Number Title Priority Date Filing Date
CA408895A Expired CA408895A (en) Selective signalling system

Country Status (1)

Country Link
CA (1) CA408895A (en)

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