GB/T 5099.1-2017
Seamless steel gas cylinders—Part 1: Quenched and tempered steel cylinders with tensile strength less than 1100 MPa 钢质无缝气瓶 第1部分:淬火后回火处理的抗拉强度小于1100MPa的钢瓶 |
GB/T 5171.22-2017
Small-power motors—Part 22:Test methods for permanent magnet brushless DC motors 小功率电动机 第22部分:永磁无刷直流电动机试验方法 |
GB/T 18802.312-2017
Components for low-voltage surge protective devices—Part 312: Selection and application principles for gas discharge tubes(GDT) 低压电涌保护器元件 第312部分: 气体放电管( GDT )的选择和使用导则 |
GB/T 35391-2017
Non-destructive testing—Spatial resolution phantom for industrial computed tomography (CT) testing 无损检测 工业计算机层析成像(CT)检测用空间分辨力测试卡 |
GB/T 35465.2-2017
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 |
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