Chinese Communist Coal Mining Continues Technical Advance Open PDF Document Details Document Type Technical Report Publication Date Aug 11, 1960 Accession Number ADA368889 Entities Organizations Joint Publications Research Service Tags Communities of Interest Biomedical Human Systems Space DTIC Thesaurus Topics Blast Furnaces Chinese Language Coal Mines Construction Construction Equipment Economic Systems Electric Motors Electrical Equipment Excavation Families (Human) Materials National Governments Periodicals Social Sciences Standards Steel Industry Surface Transportation