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Google圖書搜尋
Progress Report on the Use of the Combine in South Dakota
Gabriel Lundy
出版
Depts. of Farm Economics Agronomy and Agricultural Engineering, South Dakota State College of Agriculture and Mechanic Arts
, 1929
URL
http://books.google.com.hk/books?id=snIpAQAAMAAJ&hl=&source=gbs_api