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全国选煤技术情报协作组华北、西北组于1978年4月10日至13日在邢台矿务局召开了煤泥水直接浮选技术情报专题座谈会。参加这次会议的有两个大区的矿务局、洗煤厂、科研、设计、高等院校共47个单位70名代表。在邢台矿洗煤厂进行大型跳汰机设计试验的小组和夹河矿洗煤厂自
The coal preparation technology intelligence cooperation group of North China and Northwest China held a special symposium on the technology of direct flotation of slime water at Xingtai Mining Bureau from April 10 to April 13, 1978. There were 70 representatives of 47 units in the coal mining bureau, scientific research, design institute and institutions of higher learning that attended the conference. Xingtai Coal Preparation Plant large-scale jig design test team and the Jiahe coal washing plant since