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Recent Research by the Bureau of Mines on the Ignition of Firedamp by Explosives
Sherman Leidich GerhardJ. C. HoltzWilbert James Huff
出版U.S. Department of the Interior, Bureau of Mines, 1939
URLhttp://books.google.com.hk/books?id=lNpeCFtNVAcC&hl=&source=gbs_api
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