CA540574A - Feu de route genre projecteur - Google Patents

Feu de route genre projecteur

Info

Publication number
CA540574A
CA540574A CA540574A CA540574DA CA540574A CA 540574 A CA540574 A CA 540574A CA 540574 A CA540574 A CA 540574A CA 540574D A CA540574D A CA 540574DA CA 540574 A CA540574 A CA 540574A
Authority
CA
Canada
Prior art keywords
light signal
search light
search
signal
light
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
CA540574A
Other languages
English (en)
Inventor
W. Hewes Ralph
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.)
SPX Technologies Inc
Original Assignee
General Railway Signal Co
Publication date
Application granted granted Critical
Publication of CA540574A publication Critical patent/CA540574A/fr
Expired legal-status Critical Current

Links

CA540574A Feu de route genre projecteur Expired CA540574A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA540574T

Publications (1)

Publication Number Publication Date
CA540574A true CA540574A (fr) 1957-05-07

Family

ID=35697715

Family Applications (1)

Application Number Title Priority Date Filing Date
CA540574A Expired CA540574A (fr) Feu de route genre projecteur

Country Status (1)

Country Link
CA (1) CA540574A (fr)

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