GB/T 38526-2020.Titanium tubes for aerospace propulsion system.1范围GB/T 38526规定了航...

国家标准2023.07.28

GB/T 38719-2020.Metallic materials-Tube一 Determination of biaxial stress-strain...

国家标准2023.07.28

GB/T 38727-2020.Biodegradable plastic films and bags for express logistics trans...

国家标准2023.07.28

GB/T 25156-2020.General specifications and inspection methods of rubber and plas...

国家标准2023.07.28

GB/T 5137.3-2020.Test methods of safety glazing materials used on road vehicles-...

国家标准2023.07.28

GB/T 38588-2020.In-situ measurements of heat loss of insulating pipes for urban...

国家标准2023.07.28

GB/T 5137.4-2020.Test methods of safety glazing materials used on road vehicles-...

国家标准2023.07.28

GB/T 38706-2020.Implementation guidance for energy management systems in ceramic...

国家标准2023.07.28

GB/T 38594-2020.Water supply devices with superimposing pipe pressure.1范围GB/T 38...

国家标准2023.07.28

GB/T 38655-2020.Public information guidance systems-Ergonomic guideline for desi...

国家标准2023.07.28