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北京市城乡建设委员会文件京建法 [1997]4 83号请下载后查看,本文暂不支持在线获取查看简介。北京市建筑施工起重机械设备管理的若干规定
Beijing Urban and Rural Construction Committee document Beijing Jian Fa [1997] No. 4 83 Please download to view, this article does not support online access to view profile. Some Rules on the Management of Crane Equipment in Beijing Construction