GB/T 38690-2020.Corrosion-resistant alloy hot-rolled sheets and strips. 1范围 GB/T 38690规定了耐蚀合金热轧薄板及带材的订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志及质量证明书。 GB/T 38

GB/T 38689-2020.Corrosion-resistant alloy cold-rolled sheets and strips. 1范围 GB/T 38689规定了耐蚀合金冷轧薄板及带材的订货内容、尺寸、外形、重量、技术要求、试验方法、检验规则、包装、标志及质量证明书。 GB/T 3

GB/T 38594-2020.Water supply devices with superimposing pipe pressure. 1范围 GB/T 38594规定了管网叠压供水设备(以下简称“设备”)的术语和定义,设备组成、分类、型号标记及使用条件,要求,试验方法，检验规则,标志、包装、

GB/T 38655-2020.Public information guidance systems-Ergonomic guideline for design and setting. 1范围 GB/T 38655给出了公共信息导向系统的人类工效学设计与设置原则。 GB/T 38655适用于民

GB/T 38701-2020.Security management systems for the supply chain-Requirements for bodies providing audit and certification of supply chain security ma

GB/T 38605-2020.Emergency guidance systems-Graphical symbols for evacuation and shelter. 1范围 GB/T 38605界定了应急导向系统中疏散掩蔽方面的公共信息图形符号(以下简称图形符号),给出了图形符号的含义及

GB/T 38658-2020.Guidance for the extension of validity of type tests of AC metal enclosed switchgear and controlgear for rated voltages above 3.6 kV a

GB/T 5137.5-2020.Test methods of safety glazing materials used on road vehicles-Part 5 :Resistant-to-chemical and resistant-to-temperature changes tes

GB/T 17045-2020.Protection against electric shock-Common aspects for installations and equipment. 1范围 GB/T 17045是基础的安全出版物,主要用于技术委员会根据IECGuide104和ISO/I

GB/T 12729.5-2020.Spices and condiments-Determination of extraneous matter content. 1范围 GB/T 12729的本部分规定了测定香辛料和调昧品外来物的物理测定方法. GB/T 12729.5适用于香辛料和调味品外来