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根据煤炭工业部有关文件指示精神,选煤科技情报中心站站长单位——唐山煤炭研究所于1978年12月3日至4日在宁夏石炭井矿务局主持召开了煤炭工业部选煤科技情报中心站分站长会议。出席会议的
According to the instructions of relevant documents from the Ministry of Coal Industry, the station manager unit of Coal Science and Technology Information Center - Tangshan Coal Research Institute hosted the coal preparation technology of Coal Industry Ministry at the Petrochemical Bureau of Ningxia Shizhangui from December 3 to December 4, 1978. Information center station owners meeting. Attend the meeting