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Packing of Cotton at Gins for Uniform Density

Leonard Joseph WatsonVictor Leo Stedronsky

出版	U.S. Department of Agriculture, 1943
URL	http://books.google.com.hk/books?id=tCYuAAAAYAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN

註釋

And conclusions. pp. 21.