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Gears: Spur, Helical, Bevel, and Worm
Philip Stephen Houghton
其他書名
A Treatise for Draughtsmen, Shop Superintendents, Foremen, Mechanics, and Students
出版Technical Press, 1961
URLhttp://books.google.com.hk/books?id=FD1SAAAAMAAJ&hl=&source=gbs_api