Methods of Malkin Motor Freight Co., Boston, for determining how much it costs to operate four-wheel trailer and to pull it with truck.
Getting actual trailer cost
Commercial Car Jl
Commercial Car Journal and Operation and Maintenance ; 37 , n 4 ; p 26-27
1929
2 pages
Article (Journal)
English
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SYSTEM AND METHOD OF ESTIMATING ACTUAL ANGLE OF HITCH BETWEEN VEHICLE AND TRAILER
European Patent Office | 2016
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