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1979年6月13日至18日在青岛市召开了华东液压行业技术情报交流会,参加会议的有81个单位103名代表。会上交流的资料共有43份,其中大会发言21项。
From June 13th to 18th, 1979, the East China Hydraulic Technology Information Exchange Conference was held in Qingdao. There were 103 representatives from 81 units participating in the meeting. A total of 43 pieces of information were exchanged at the meeting, of which 21 were addressed by the General Assembly.