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1970至1971年间,巴尔哈什铜选矿厂装配和试验了十槽25p转子充气器浮选机(两侧刮泡),该浮选机系波瓦罗夫斯克试验工厂根据米哈诺布尔和巴尔哈什矿冶公司共同设计的图纸制造的(图
From 1970 to 1971, the ten-slot 25p rotor inflator flotation machine (both side blisters) was assembled and tested at the Balhash copper beneficiation plant. The flotation machine was based on the Mirowoble and Baal Hash Mining co-design company to create the drawings (Figure