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国家建委建筑机械局于1981年12月6日至12日在沈阳召开了建筑机械行业焊接工艺技术交流会,来自全国建筑机械行业和有关大专院校及研究所共45个单位的61名代表出席了会议。
The Construction Machinery Bureau of the State Construction Commission held the welding technology exchange meeting for the construction machinery industry in Shenyang from December 6 to December 12, 1981. 61 representatives from 45 companies from the national construction machinery industry and related universities and research institutions attended the conference. Meeting.