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Methods of Sampling and Analyzing Coal-mine Dusts for Incombustible Content
Clarence Watson Owings
Walter Alfred Selvig
Harold Putnam Greenwald
出版
U.S. Department of the Interior, Bureau of Mines
, 1940
URL
http://books.google.com.hk/books?id=d_GzHxNAn8cC&hl=&source=gbs_api
EBook
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