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Reducing Longwall Tailgate Workers' Dust Exposure Utilizing Water-powered Scrubbers

John A. OrganiscakJon C. VolkweinRobert A. Jankowski

出版	U.S. Department of the Interior, Bureau of Mines, 1983
URL	http://books.google.com.hk/books?id=RbJh-tHdw5EC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN