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航天部优质产品 国家级重点新产品 国家科委推荐的科研成果 北京技术监督局认可的新计量器具石化总公司“石化设备资源市场”指定仪表
Ministry of Aeronautics and astronautic products National key new products Science and Technology Commission recommended scientific research Beijing Bureau of Technical Supervision approved the new measuring instruments Petrochemical Corporation “Petrochemical Equipment Resources Market” designated instrument