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Analysis of Power Consumption at Coal Mines
F. A. JonesEdward ThomasEarl R. MaizeAlbert Louis Toenges
其他書名
Preliminary study
出版U.S. Department of the Interior, Bureau of Mines, 1942
URLhttp://books.google.com.hk/books?id=ugkHkXNJ4aoC&hl=&source=gbs_api
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