遵照中国煤炭机械工业协会的安排,煤机专利技术服务中心于1991年7月16日至18日在哈尔滨市召开了煤机专利技术工作会议。出席会议的有中国煤炭机械工业协会、东煤公司科技中心、东煤设备制造公司、哈煤机所的领导及煤机专利技术服务网络的成员单位。中国专利局、黑龙江省专利服务中心和 In accordance with the arrangements of the China Coal Machinery Industry Association, the Coal Mine Machine Patent Technical Service Center held a coal mine machine patent technology work conference in Harbin from July 16th to 18th, 1991. Present at the meeting are the members of the China Coal Machinery Industry Association, the East Coal Corporation Science and Technology Center, the East Coal Equipment Manufacturing Corporation, and the Harbin Coal Mining Machinery Institute, as well as the coal machinery patented technology service network. China Patent Office, Heilongjiang Province Patent Service Center and