CA472554A - Portes de wagons - Google Patents

Portes de wagons

Info

Publication number
CA472554A
CA472554A CA472554A CA472554DA CA472554A CA 472554 A CA472554 A CA 472554A CA 472554 A CA472554 A CA 472554A CA 472554D A CA472554D A CA 472554DA CA 472554 A CA472554 A CA 472554A
Authority
CA
Canada
Prior art keywords
car doors
doors
car
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
CA472554A
Other languages
English (en)
Inventor
Ditchfield Frank
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.)
Youngstown Steel Door Co
Original Assignee
Youngstown Steel Door Co
Publication date
Application granted granted Critical
Publication of CA472554A publication Critical patent/CA472554A/fr
Expired legal-status Critical Current

Links

CA472554A Portes de wagons Expired CA472554A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA472554T

Publications (1)

Publication Number Publication Date
CA472554A true CA472554A (fr) 1951-03-27

Family

ID=35606513

Family Applications (1)

Application Number Title Priority Date Filing Date
CA472554A Expired CA472554A (fr) Portes de wagons

Country Status (1)

Country Link
CA (1) CA472554A (fr)

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