1993年度河南省煤炭学会开采专业委员会计划安排并实际进行了两次学术活动,其简要活动内容如下: ①4月23日到25日,在洛阳召开了“三软”煤层开采工艺交流会,出席会议的有河南省煤炭厅、统配局、矿、省煤研所、焦作矿院及地市县矿等30多个单位的领导、专家、教授共80多人,同时还特邀了山东省煤炭厅、山东煤研所的有关专家。会议由开采专 In 1993, the Coal Mining Society of Henan Province planned to organize and conduct two academic activities. Its brief activities are as follows: ① April 23 to 25, held a “three soft” seam mining technology exchange meeting in Luoyang to attend the meeting There are more than 80 leaders, experts and professors from more than 30 units such as Coal Hall of Henan Province, State Administration of Industry and Technology, Mines, Provincial Coal Research Institute, Jiaozuo Mining and Municipalities, Counties and Mines, etc. At the same time, they also invited coal from Shandong Province Hall, Shandong Coal Research Institute of the relevant experts. Conference by mining professionals