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Methane Analyzer System to Record Continuously the Methane Content of Coal Mine Ventilation Air

M. C. IraniP. W. JeranLawhead David H.

出版	U.S. Department of the Interior, Bureau of Mines, 1975
URL	http://books.google.com.hk/books?id=LKgqSot6sXsC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN