CA448183A - Appareil de signalisation - Google Patents

Appareil de signalisation

Info

Publication number
CA448183A
CA448183A CA448183A CA448183DA CA448183A CA 448183 A CA448183 A CA 448183A CA 448183 A CA448183 A CA 448183A CA 448183D A CA448183D A CA 448183DA CA 448183 A CA448183 A CA 448183A
Authority
CA
Canada
Prior art keywords
signalling apparatus
light signalling
light
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
CA448183A
Other languages
English (en)
Inventor
Edward Stark Donald
Edgar Stark Rawson
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.)
STUPAKOFF CERAMIC AND MANUFACTURING Co
Original Assignee
STUPAKOFF CERAMIC AND MANUFACTURING Co
Publication date
Application granted granted Critical
Publication of CA448183A publication Critical patent/CA448183A/fr
Expired legal-status Critical Current

Links

CA448183A Appareil de signalisation Expired CA448183A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA448183T

Publications (1)

Publication Number Publication Date
CA448183A true CA448183A (fr) 1948-04-27

Family

ID=35565869

Family Applications (1)

Application Number Title Priority Date Filing Date
CA448183A Expired CA448183A (fr) Appareil de signalisation

Country Status (1)

Country Link
CA (1) CA448183A (fr)

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