![]() Rolling bearings—Explanatory notes on ISO 281—Part 2: Modified rating life calculation, based on a systems approach to fatigue stresses 滚动轴承 对ISO 281的注释 第2部分:基于疲劳应力系统方法的修正额定寿命计算 |
![]() Rolling bearings—profiled rail guides for linear motion rolling bearings—Part 1: Boundary dimensions and tolerances for series 1, 2 and 3 滚动轴承 直线运动滚动支承成型导轨副 第1部分:1、2、3系列外形尺寸和公差 |
![]() Determination of certain phthalate esters in toys and children’s products 玩具及儿童用品中特定邻苯二甲酸酯增塑剂的测定 |
![]() Identification method for material of polypropylene (PP-R, PP-B, PP-H ) pipes or fittings 聚丙烯(PP-R、PP-B、PP-H)管材、管件材质鉴别方法 |
![]() Short term method for measuring the emission prorerties of low-solvent or solvent-free adhesives after application—Part 3: Determination of volatile aldehydes 低溶剂型或无溶剂型胶粘剂涂敷后释放特性的短期测量方法 第3部分:挥发性醛类化合物的测定 |
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