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["附件4："]
["工程招标代理机构资格延续企业名单"]
["序号","单位名称","资质等级"]
[1,"北京国电工程招标有限公司","同意甲级（有效期五年）"]
[2,"中化建国际招标有限责任公司","同意甲级（有效期五年）"]