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河南石油勘探局第六次QC成果发布会分别于3月20日、3月25日和3月27日在油田分三个区片召开.局有关领导和10个有关处室的领导及专家参加
Henan Petroleum Exploration Bureau, the sixth QC results conference were held on March 20, March 25 and March 27 in the oil field divided into three sections. Bureau of the relevant leaders and 10 relevant departments of the leadership and experts to participate