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- Google Patents
CA762205A - Freight transportation
- Google Patents
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
CA762205A
Inventor
De Grandpre Etienne
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.)
General American Transportation Corp
Original Assignee
General American Transportation Corp
Publication date
Application grantedgrantedCritical
Publication of CA762205ApublicationCriticalpatent/CA762205A/en