GB/T 39235-2020.Nutrient requirements of swine.1范围GB/T 39235规定了瘦肉型猪、脂肪型猪和肉脂型猪的营养...

国家标准2023.08.01

GB/T 39425-2020.General technical specfication for the permanent magnetic direct...

国家标准2023.08.01

GB/T 39465-2020.Card of smart city union-Interface for charging data.1范围GB/T 394...

国家标准2023.08.01

GB/T 39497-2020.New-type urbanization-Evaluation index system of quality city.1范...

国家标准2023.08.01

GB/T 39426-2020.General technical specification for permanent magnetic direct dr...

国家标准2023.08.01

GB/T 5023.4-2008.Polyvinyl chloride insulated cables of rated voltages up to and...

国家标准2023.08.01

GB/T 39320-2020.Electronic business-Meta model-Found ation module.1范围GB/T 39320规...

国家标准2023.08.01

GB/T 39457-2020.Specification for international trade business process-Remittanc...

国家标准2023.08.01

GB/T 39334.2-2020.Digital simulation of mechanical products manufacturing proces...

国家标准2023.08.01

GB/T 39447-2020.Specification for international trade business data- Forwarding....

国家标准2023.08.01