GB/T 28816-2020.Fuel cell-Terminology.1范围GB/T 28816以图表、定义和方程等方式界定了统一的燃料电池术语。GB/T...

国家标准2023.07.30

GB/T 7920.9-2020.Earth-moving machinery-Graders-Terminology and commercial speci...

国家标准2023.07.30

GB/T 9065.3-2020.Connections for hydraulic fluid power-Hose fittings一 Part 3 : F...

国家标准2023.07.30

GB/T 19823-2020.Thermal spraying一Procedures for the application of thermally spr...

国家标准2023.07.30

GB/T 9065.4-2020.Connections for hydraulic fluid power-Hose fittings-Part 4 :Stu...

国家标准2023.07.30

GB/T 11376-2020.Metallic and other inorganic coatings-Phosphate conversion coati...

国家标准2023.07.30

GB/T 36014.2-2020.Industrial process control devices-Radiation thermometers-Part...

国家标准2023.07.30

GB/T 15579.10-2020.Arc welding equipment-Part 10 : Electromagnetic compatibility...

国家标准2023.07.30

GB/T 38808-2020.Waves webs section steel for building structures.1范围GB/T 38808规定...

国家标准2023.07.30

GB/T 38815-2020.Superalloy powders atomized by plasma rotating electrode process...

国家标准2023.07.30