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GB/Z 24636.5-2010
产品几何技术规范(GPS) 统计公差 第5部分:装配批(孔、轴配合)的统计质量指标
Geometrical product specifications(GPS) - Statistical tolerance - Part 5: Statistical quality indices of an assembly lot (hole/shaft fits)
GB/T 6324.3-2011
Test method of organic chemical products - Part 3: Determination of permanganate-reducing substances
GB/T 26679-2011
机床电气、电子和可编程电子控制系统 保护联结电路连续性试验规范
Electrical ,electronic and programmable electronic control systems of machine tools - Specification of the continuity of the protective bonding circuit test





