GB/T 38684-2020
Metallic materials—Sheet and strip—Biaxial stress-strain curve by means of bulge test—Optical measuring systems 金属材料 薄板和薄带 双轴应力-应变曲线胀形试验 光学测量方法 |
GB/T 25895.3-2020
Water safety signs and beach safety flags—Part 3: Guidance for use 水域安全标志和海滩安全旗 第3部分:使用指南 |
GB/T 38371.2-2020
Specification of digital content object storage, reuse and exchange— Part 2: Object encoding, storage and exchange 数字内容对象存储、复用与交换规范 第2部分:对象封装、存储与交换 |
GB/T 38608-2020
Method for determination of the volatile organic compounds (VOCs) content in the ink 油墨中可挥发性有机化合物(VOCs)含量的测定方法 |
GB/T 23809.3-2020
Emergency guidance system—Setting principles and requirements—Part 3: Personnel shelter 应急导向系统 设置原则与要求 第3部分:人员掩蔽工程 |
GB/T 28575-2020
Specification for YE3 series (IP55) three-phase induction motors (Frame size 63~355) YE3系列(IP55)三相异步电动机技术条件(机座号63~355) |
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