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Inspection and Testing of Mine-type Electrical Equipment for Permissibility

Lee Clyde IlsleyErnest J. GleimHilary Breton Brunot

出版	Department of Commerce, Bureau of Mines, 1929
URL	http://books.google.com.hk/books?id=AaYADHyglhMC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN