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'2020'
China GB Standards List

 GB/T 25895.2-2020  
Water safety signs and beach safety flags—Part 2: Specifications for beach safety flags colour,shape,meaning and performance

水域安全标志和海滩安全旗 第2部分:海滩安全旗颜色、形状、含义及性能的规范
 GB/T 36702.2-2020  
Irrigation equipment—Safety devices for chemigation—Part 2: Chemigation valve assemblies from DN 75(3〞) to DN 350(14〞)

灌溉设备 化学灌溉用安全装置 第2部分:DN 75(3〞)至 DN 350(14〞)的化学灌溉阀组件
 GB/T 9766.7-2009/XG1-2020  
Test method for tyre valve—Part 7:Test methods for components

《轮胎气门嘴试验方法 第7部分:零部件试验方法》国家标准第1号修改单
 GB/T 9966.1-2020  
Test methods for natural stone--Part 1: Determination of dry, wet and after freezing compressive strength

天然石材试验方法 第1部分:干燥、水饱和、冻融循环后压缩强度试验
 GB/T 9966.2-2020  
Test methods for natural stone--Part 2: Determination of dry, wet and after freezing flexural strength

天然石材试验方法 第2部分:干燥、水饱和、冻融循环后弯曲强度试验

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