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Bureau of Mines Health and Safety Research
USA Bureau of Mines
其他書名
A Status Report Covering Nov. 1, 1978 - May 31, 1979
出版U.S. Department of the Interior, Bureau of Mines, 1979
URLhttp://books.google.com.hk/books?id=8LcMzwEACAAJ&hl=&source=gbs_api