GB/T 39685-2020 陶瓷覆层结合强度试验方法
GB/T 39685-2020.Test method for determining bonding strength of ceramic coatings...
国家标准2023.08.03
GB/T 39685-2020.Test method for determining bonding strength of ceramic coatings...
国家标准2023.08.03
GB/T 39686-2020.Test method for determining elastic modulus and strength of thic...
国家标准2023.08.03
GB/T 39682-2020.Fine ceramics-Determination of elastic modulus at high temperatu...
国家标准2023.08.03
GB/T 39684-2020.Test method of thermal irregularities for external window openin...
国家标准2023.08.03
GB/T 39615-2020.Specifications for testing of reference stations using global na...
国家标准2023.08.03
GB/T 39662-2020.Interface specification for fund industry central data backup.1范...
国家标准2023.08.03
GB/T 39608-2020.Metadata for digital products of fundamental geographic informat...
国家标准2023.08.03
GB/T 39694-2020.Hydrogenated acrylonitrile-butadiene rubber (HNBR )-General spec...
国家标准2023.08.03
GB/T 39639-2020.Test methods of dynamic adhesive properties for dipped cords.1范围...
国家标准2023.08.03
GB/T 39595-2020.Open-ended fund business data exchange protocol.1范围GB/T 39595规定了...
国家标准2023.08.03