NC 33-111-1990 Oil Industry Lubricants Determination of Antiwear and Antitear Properties in Four-Balls Machine《石油工业 四球机械里的防磨损和防撕裂特性》.pdf

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JB T 5297-1991 石油工业用容积式天然气压缩机 基本参数.pdf

SY T 6552-2011 石油工业在用压力容器检验.pdf

SY T 6606-2012 石油工业工程技术服务承包商 健康安全环境管理规范.pdf

SY T 6607-2004 石油工业建设项目安全预评价报告编制规则.pdf

SY 5950-1994 石油工业计划统计指标代码.pdf

SY T 5497-2000 石油工业物资分类与代码.pdf

SY 6516-2001 石油工业电焊焊接作业安全规程.pdf

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SY T 5548.1-1992 石油工业常用物资采购一般规定.pdf

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