CA451154A - Lampe de signalisation - Google Patents

Lampe de signalisation

Info

Publication number
CA451154A
CA451154A CA451154A CA451154DA CA451154A CA 451154 A CA451154 A CA 451154A CA 451154 A CA451154 A CA 451154A CA 451154D A CA451154D A CA 451154DA CA 451154 A CA451154 A CA 451154A
Authority
CA
Canada
Prior art keywords
signal light
light
signal
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
CA451154A
Other languages
English (en)
Inventor
Ross Housworth Norman
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA451154A publication Critical patent/CA451154A/fr
Expired legal-status Critical Current

Links

CA451154A Lampe de signalisation Expired CA451154A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA451154T

Publications (1)

Publication Number Publication Date
CA451154A true CA451154A (fr) 1948-09-14

Family

ID=35568875

Family Applications (1)

Application Number Title Priority Date Filing Date
CA451154A Expired CA451154A (fr) Lampe de signalisation

Country Status (1)

Country Link
CA (1) CA451154A (fr)

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