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Progress of Farm Mechanization, by Martin R. Cooper, Glen T. Barton and Albert P. Brodell
Martin R. Cooper
Glen T. Barton
Albert P. Brodell
Etats-Unis. Department of agriculture
出版
U.S. Government Printing Office
, 1947
URL
http://books.google.com.hk/books?id=KFpdtwAACAAJ&hl=&source=gbs_api