Report - czj.dg.gov.cnczj.dg.gov.cn/dggp/uploads/201805/20180522.1526951879454.docx  · Web view特殊情况下，在原有投标有效期截止之前，采购代理机构可要求投标人同意延长投标有效期，此要求与答复均应以书面形式

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