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Portable Methane Detectors
Hugh A. Watson
R. L. Beatty
Albert J. Beckert
D. E. Dufresne
其他書名
Effects of Gases in Mine Atmospheres
出版
U.S. Department of the Interior, Bureau of Mines
, 1966
URL
http://books.google.com.hk/books?id=dXg5WqfzRCwC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN