CA309373A - Signal de passage a niveau - Google Patents

Signal de passage a niveau

Info

Publication number
CA309373A
CA309373A CA309373A CA309373DA CA309373A CA 309373 A CA309373 A CA 309373A CA 309373 A CA309373 A CA 309373A CA 309373D A CA309373D A CA 309373DA CA 309373 A CA309373 A CA 309373A
Authority
CA
Canada
Prior art keywords
crossing signal
crossing
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
CA309373A
Other languages
English (en)
Inventor
A. Morrison John
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.)
SAFETY SIGNAL Co
Original Assignee
SAFETY SIGNAL Co
Publication date
Application granted granted Critical
Publication of CA309373A publication Critical patent/CA309373A/fr
Expired legal-status Critical Current

Links

CA309373A Signal de passage a niveau Expired CA309373A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA309373T

Publications (1)

Publication Number Publication Date
CA309373A true CA309373A (fr) 1931-03-10

Family

ID=35268696

Family Applications (1)

Application Number Title Priority Date Filing Date
CA309373A Expired CA309373A (fr) Signal de passage a niveau

Country Status (1)

Country Link
CA (1) CA309373A (fr)

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