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冶金部設計司于11月19日～11月27日在北京选矿研究院邀請各设計院开了一次土法选銅方案的研究会,参加会議的除选矿研究院、有色设計总院、長沙、昆明等九个研究、設計院外,还有河北、河南兩省冶金局、江西研究所、揚眉寺鎢矿、德兴銅矿、国家計委、有色司、矿山司等单位的代表。会議期間,参观了有色設計总院在怀柔县种的土法选銅試驗田、寿王坟銅矿50吨/日小选矿厂、在北京矿业学院展出的凿岩破碎设备展覽会以及选矿研究院新设計的新型选矿设备。在会上,共有揚眉寺钨矿、德兴銅
Ministry of Metallurgical Design Division November 19 ~ November 27 at the Beijing Institute of Mineral Processing Institute invited each design institute opened a soil selection of copper program research will attend the meeting in addition to the Institute of Mineral Processing, Nonferrous Design Institute, Changsha, Kunming and other nine research and design institutes as well as Hebei and Henan Provincial Metallurgical Bureau, Jiangxi Research Institute, Yangmei Temple Tungsten, Dexing Copper Mine, State Planning Commission, Non-ferrous Secretary, Mine Division and other representatives. During the meeting, the company visited the colored soil selective copper test field planted by the colored design institute in Huairou County, the 50 ton / day small dressing plant of Shouwangfen Copper Mine, the exhibition of rockbolt crushing equipment exhibited at the Beijing Institute of Mining and the Mineral Processing Research Institute New design of the new mineral processing equipment. At the meeting, a total of Yang Mei Temple tungsten, Dexing copper