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Google圖書搜尋
Coal-dust Explosibility Factors Indicated by Experimental Mine Investigations 1911 to 1929
George Samuel Rice
Harold Putnam Greenwald
出版
U.S. Government Printing Office
, 1929
URL
http://books.google.com.hk/books?id=hNi__N0aREgC&hl=&source=gbs_api