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Cleaning, Disinfecting, and Sterilizing Self-contained Self-rescuer Mouthpiece Assemblies Used in Hands-on Training

M. J. BrnichH. J. Kellner

出版	U.S. Department of the Interior, Bureau of Mines, 1989
URL	http://books.google.com.hk/books?id=_vNTzgEACAAJ&hl=&source=gbs_api