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Dust Sampling with the Bureau of Mines Midget Impinger
J. B. LittlefieldHelmuth Herman Schrenk
其他書名
Using a New Hand-operated Pump
出版U.S. Department of the Interior, Bureau of Mines, 1938
URLhttp://books.google.com.hk/books?id=WAEm903G6RQC&hl=&source=gbs_api
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