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1982年11月19至21日,广东省冶金厅在广东省大宝山矿主持召开了由长沙矿冶所和大宝山矿联合研制、生产和试用的CRH型乳化炸药技术鉴定会。参加会议的有广东省冶金矿山公司、湖南省冶金局、湖南湘东铁矿、凡口铅锌矿、海南铁矿、石人嶂钨矿等13个单位35名代表。会间,冶金部长沙矿冶所、广东大宝山矿分别做了关于CRH型乳化炸药的研制、生产和试用的报告与情况介绍。代表们审查了有关技术资料,检查了生产
From 19 to 21 November 1982, the Guangdong Provincial Metallurgical Department chaired the CRH-type emulsion explosives appraisal meeting jointly developed, produced and piloted by Changsha Institute of Mining and Metallurgy and Dabaoshan Mine in Guangdong Province’s Da Baoshan Mine. The meeting was attended by 35 representatives from 13 units including Guangdong Metallurgical and Mining Company, Hunan Provincial Metallurgical Bureau, Hunan Xiangdong Iron Mine, Fankou Lead-Zinc Mine, Hainan Iron Mine and Shirenguang Tungsten Mine. During the meeting, the Ministry of Metallurgy, Changsha Institute of Mining and Metallurgy, Guangdong Dabaoshan Mine made CRH-based emulsion explosives research, production and trial reports and briefings. The delegates examined the technical information and examined the production