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["附件2"]
["核准工程监理企业资质的单位名单"]
["序号","企业名称","等级范围"]
["1","北京铁研建设监理有限责任公司","铁路工程监理甲级"]
["2","广西宁铁监理咨询有限责任公司","铁路工程监理甲级"]