CA440158A - Enclenchement de pont-levis - Google Patents

Enclenchement de pont-levis

Info

Publication number
CA440158A
CA440158A CA440158A CA440158DA CA440158A CA 440158 A CA440158 A CA 440158A CA 440158 A CA440158 A CA 440158A CA 440158D A CA440158D A CA 440158DA CA 440158 A CA440158 A CA 440158A
Authority
CA
Canada
Prior art keywords
drawbridge
interlocking
drawbridge interlocking
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
CA440158A
Other languages
English (en)
Inventor
Mills Snyder Roger
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.)
Hitachi Rail STS USA Inc
Original Assignee
Union Switch and Signal Inc
Publication date
Application granted granted Critical
Publication of CA440158A publication Critical patent/CA440158A/fr
Expired legal-status Critical Current

Links

CA440158A Enclenchement de pont-levis Expired CA440158A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA440158T

Publications (1)

Publication Number Publication Date
CA440158A true CA440158A (fr) 1947-03-11

Family

ID=35555392

Family Applications (1)

Application Number Title Priority Date Filing Date
CA440158A Expired CA440158A (fr) Enclenchement de pont-levis

Country Status (1)

Country Link
CA (1) CA440158A (fr)

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