Petroleum, petrochemical and natural gas industries -- Lubrication, shaft-sealing and control-oil systems and auxiliaries -- Part 1: General requirements 石油、石化和天然气工业 润滑、轴封和控油系统及辅助设备 第1部分 一般要求...
Preparation of steel substrates before application of paints and related products —Surface roughness characteristics of blast-cleaned steel substrates —Part 5: Replica tape method for the determination of the surface profile涂...
Preparation of steel substrates before application of paints and related products — Group B Methods for the assessment of surface cleanliness Part9 涂装油漆和有关产品前钢材预处理 表面清洁度的评定试验 第9部分:水溶性盐的现场电导测定...