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Active List of Permissible Explosives and Blasting Devices Approved Before Jan. 1, 1965
N. E. HannaP. A. Richardson
出版U.S. Department of the Interior, Bureau of Mines, 1965
URLhttp://books.google.com.hk/books?id=CF6RZ9MYeacC&hl=&source=gbs_api
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