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由国家有色总局委托湖南省冶金局主持召开的SGC—IB型轨轮式深孔采矿液压凿岩台车技术鉴定会于8月20—22日在潘家冲铅锌矿召开,出席鉴定会的有省冶金局科技处、湘潭地区科委、湘潭地区机械局及大专
SGC-IB rail wheel deep hole mining hydraulic rock drilling rig technical appraisal meeting entrusted by the State Bureau of Nonferrous Metallurgy under the auspices of Hunan Provincial Metallurgical Bureau was held in Panjiachong lead-zinc mine from August 20 to August 22. Attending the appraisal meeting were the provinces Metallurgical Bureau of Science and Technology Department, Xiangtan Science and Technology Commission, Xiangtan Regional Machinery Bureau and college