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Methods for Sampling Noncombustible Content of Coal Mine Dust
Robert D. Saltsman
Joseph Grumer
出版
U.S. Department of the Interior, Bureau of Mines
, 1975
URL
http://books.google.com.hk/books?id=Ay1NbfZ_bPUC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
