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城乡建设环境保护部钢筋加工机械行业会议,于1983年4月20日至24日在杭州市桐庐县召开,这次会议时论了钢
The meeting for the steel processing machinery industry of the Ministry of Urban and Rural Construction and Environmental Protection was held in Tonglu County, Hangzhou from April 20 to April 24, 1983.