CA489093A - Circuits de signalisateurs - Google Patents

Circuits de signalisateurs

Info

Publication number
CA489093A
CA489093A CA489093A CA489093DA CA489093A CA 489093 A CA489093 A CA 489093A CA 489093 A CA489093 A CA 489093A CA 489093D A CA489093D A CA 489093DA CA 489093 A CA489093 A CA 489093A
Authority
CA
Canada
Prior art keywords
annunciator circuits
annunciator
circuits
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
CA489093A
Other languages
English (en)
Inventor
E. Demers Paul
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.)
Nortel Networks Ltd
Original Assignee
Northern Electric Co Ltd
Publication date
Application granted granted Critical
Publication of CA489093A publication Critical patent/CA489093A/fr
Expired legal-status Critical Current

Links

CA489093A Circuits de signalisateurs Expired CA489093A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA489093T

Publications (1)

Publication Number Publication Date
CA489093A true CA489093A (fr) 1952-12-23

Family

ID=35628817

Family Applications (1)

Application Number Title Priority Date Filing Date
CA489093A Expired CA489093A (fr) Circuits de signalisateurs

Country Status (1)

Country Link
CA (1) CA489093A (fr)

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