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GB/T 32322.2-2015
滚动轴承 直线运动滚动支承成型导轨副 第2部分:4、5系列外形尺寸和公差
Rolling bearings—Profiled rail guides for linear motion rolling bearings—Part 2:Boundary dimensions and tolerances for series 4 and 5
GB/T 32323-2015
Rolling bearings—Measuring methods for axial internal clearance of four-point-contact ball bearings
GB/T 20056-2015
Rolling bearings—Radial needle roller and cage assemblies—Boundary dimensions and tolerances
GB/T 32561.2-2016
Measuring method for chalcogenide infrared optical glass—Part 2: Degree of striae
GB/T 32561.3-2016
Measuring method for chalcogenide infrared optical glass—Part 3: Impurity
GB/T 32561.1-2016
Measuring method for chalcogenide infrared optical glass—Part 1: Homogeneity
GB/T 7261-2016
Basic testing method for relaying protection and security automatic equipment