CA330582A - Selective signalling apparatus - Google Patents

Selective signalling apparatus

Info

Publication number
CA330582A
CA330582A CA330582A CA330582DA CA330582A CA 330582 A CA330582 A CA 330582A CA 330582 A CA330582 A CA 330582A CA 330582D A CA330582D A CA 330582DA CA 330582 A CA330582 A CA 330582A
Authority
CA
Canada
Prior art keywords
signalling apparatus
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
CA330582A
Other languages
French (fr)
Inventor
E. Kleinschmidt Edward
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 CA330582A publication Critical patent/CA330582A/en
Expired legal-status Critical Current

Links

CA330582A Selective signalling apparatus Expired CA330582A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA330582T

Publications (1)

Publication Number Publication Date
CA330582A true CA330582A (en) 1933-02-28

Family

ID=35292952

Family Applications (1)

Application Number Title Priority Date Filing Date
CA330582A Expired CA330582A (en) Selective signalling apparatus

Country Status (1)

Country Link
CA (1) CA330582A (en)

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