CA915655A - Light signal apparatus - Google Patents

Light signal apparatus

Info

Publication number
CA915655A
CA915655A CA915655A CA915655DA CA915655A CA 915655 A CA915655 A CA 915655A CA 915655 A CA915655 A CA 915655A CA 915655D A CA915655D A CA 915655DA CA 915655 A CA915655 A CA 915655A
Authority
CA
Canada
Prior art keywords
light signal
signal apparatus
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
CA915655A
Inventor
O. R. Scholdstrom Karl
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.)
AGA AB
Original Assignee
AGA AB
Publication date
Application granted granted Critical
Publication of CA915655A publication Critical patent/CA915655A/en
Expired legal-status Critical Current

Links

CA915655A Light signal apparatus Expired CA915655A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA915655T

Publications (1)

Publication Number Publication Date
CA915655A true CA915655A (en) 1972-11-28

Family

ID=36423126

Family Applications (1)

Application Number Title Priority Date Filing Date
CA915655A Expired CA915655A (en) Light signal apparatus

Country Status (1)

Country Link
CA (1) CA915655A (en)

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