CA345506A - Unite de signal lumineux - Google Patents

Unite de signal lumineux

Info

Publication number
CA345506A
CA345506A CA345506A CA345506DA CA345506A CA 345506 A CA345506 A CA 345506A CA 345506 A CA345506 A CA 345506A CA 345506D A CA345506D A CA 345506DA CA 345506 A CA345506 A CA 345506A
Authority
CA
Canada
Prior art keywords
light signal
signal unit
unit
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
CA345506A
Other languages
English (en)
Inventor
W. Moore Edmund
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 CA345506A publication Critical patent/CA345506A/fr
Expired legal-status Critical Current

Links

CA345506A Unite de signal lumineux Expired CA345506A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA345506T

Publications (1)

Publication Number Publication Date
CA345506A true CA345506A (fr) 1934-10-23

Family

ID=35316779

Family Applications (1)

Application Number Title Priority Date Filing Date
CA345506A Expired CA345506A (fr) Unite de signal lumineux

Country Status (1)

Country Link
CA (1) CA345506A (fr)

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