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 test.1范围GB/T 5137的本部分规...
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 and up to and including 40.5 kV....
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...
GB/T 38701-2020.Security management systems for the supply chain-Requirements for bodies providing audit and certification of supply chain security management systems.1范围对于依...
GB/T 38706-2020.Implementation guidance for energy management systems in ceramics industry.1范围GB/T 38706提供了陶瓷行业企业建立、实施、保持和持续改进其能源...
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 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...
GB/T 5137.4-2020.Test methods of safety glazing materials used on road vehicles-Part 4: Determination of solar characteristic.1范围GB/T 5137的本部分规定了汽车安全玻璃太...
GB/T 38588-2020.In-situ measurements of heat loss of insulating pipes for urban heat-supplying.1范围GB/T 38588规定了城镇供热保温管网系统散热损失现场检测方法的...
GB/T 5137.3-2020.Test methods of safety glazing materials used on road vehicles-Part 3: Radiation，high temperature , humidity , fire and simulated weathering resistance tests.1范围...
