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A New Kerosene Attachment for Knapsack Sprayers

A. B. McKayHoward Evarts WeedSamuel Mills TracyTait ButlerW. L. Hutchinson

出版	Mississippi Agricultural and Mechanical College Experiment Station, 1893
URL	http://books.google.com.hk/books?id=N-lQAQAAMAAJ&hl=&source=gbs_api