GB国家标准

GB/T 25178-2020.Reduced-pressure type back flow preventer.1范围GB/T 25178规定了减压型倒流防止器的术语和定义,分类、型号标记,材料和结构,要求,试验方法...

GB/T 39690.2-2020.Plastics-Mixtures of polypropylene (PP) and polyethylene ( PE) recyclate derived from PP and PE used for flexible and rigid consumer packaging-Part 2: Preparation ...

GB/T 39642-2020.Technical product specification (TPS)-Application guidance-International model for national implementation.1范围GB/T 39642给出了机械工程领域所有产品几何...

GB/T 12703.8-2020.Textiles-Test methods for electrostatic propensity- Part 8:Test method using horizontal mechanical friction.1范围GB/T 12703.8规定了使用水平机械摩擦法测...

GB/T 39626-2020.Guidance on the implementation of social responsibility for third party e-commerce trading platform industry.1范围GB/T 39626为第三方电子商务交易平台在应...

GB/T 39560.701-2020.Determination of certain substances in electrical and electronic products-Part 7-1: Hexavalent chromium- Presence of hexavalent chromium[ Cr(VI)] in colourless a...

GB/T 39659-2020.Rarely-used Chinese character encoding with structure for numeric key.1范围GB/T 39659规定了汉字结构划分规则、数字键位设定、生僻汉字编码规则...

GB/T 39362-2020.Archiving specification for electronic official document of party and government organs.1范围GB/T 39362规定了党政机关电子公文归档的总则、归档流程...

GB/T 39594-2020.Internet of things application specification on books publishing.1范围GB/T 39594规定了图书发行物联网应用模式及物联网应用技术。GB/T 39594适用...

GB/T 39560.1-2020.Determination of certain substances in electrical and electronic products-Part 1: Introduction and overview.1范围GB/T 39560.1只涉及样品的处理和检测,样品...