![]() Test method for fatigue properties of polymer matrix composite materials -Part 2: Statistical analysis of linear or linearized stress-liFe(S-N) and strain-life(ε-N) fatigue data 聚合物基复合材料疲劳性能测试方法 第2部分:线性或线性化应力寿命(S-N)和应变寿命(ε-N)疲劳数据的统计分析 |
![]() Shunt power capacitors of the self-healing type for a.c. systems having a rated voltage up to and including 1000 V—Part 1: General—Performance,testing and rating—SaFety requirements—Guide for installation and operation 标称电压1 000 V及以下交流电力系统用自愈式并联电容器 第1部分:总则 性能、试验和定额 安全要求 安装和运行导则 |
![]() Functional saFety of electrical/electronic/programmable electronic safety-related systems—Part 6: Guidelines on the application of IEC 61508-2 and IEC 61508-3 电气/电子/可编程电子安全相关系统的功能安全 第6部分:GB/T 20438.2和GB/T 20438.3的应用指南 |
![]() Gas detectors for explosive atmospheres—Part 3: Guidance on functional saFety of fixed gas detection systems 爆炸性环境用气体探测器 第3部分:固定式气体探测系统功能安全指南 |
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