GB/T 16900.4-2020.Rules for the presentation of graphical symbols-Part 4:Method for testing symbol referent association.1范围GB/T 16900的本部分规定了用于测试图形符号的...
GB/T 10066.12-2020.Test methods for electroheating installations-Part 12: Infrared electroheating installations.1i范围GB/T 10066.12规定了工业红外电热装置的试验程序、...
GB/T 23809.1-2020.Emergency guidance systems-Setting principles and requirements-Part 1:Inside buildings.1范围GB/T 23809的本部分规定了公共建筑物内以安全标志和安全...
GB/T 27021.6-2020.Conformity assessment-Requirements for bodies providing audit and certification of management systems-Part 6: Competence requirements for auditing and certificatio...
GB/T 2423.27-2020.Environmental testing-Part 2:Test methods-Test method and guidance:Combined temperature or temperature and humidity with low air pressure tests.1范围GB/T 2423.27给...
GB/T 2900.103-2020.Electrotechnical terminology-Generation ，transmission and distribution of electrical energy-Dependability and quality of service of electric power systems.1范围...
GB/T 2423.51-2020.Environmental testing-Part 2:Test methods-Test Ke: Flowing mixed gas corrosion test.1范围GB/T 2423的本部分用于确定工作和贮存的室内环境对电工电...
GB/T 50455-2020.Standard for design of underground oil storage in rock caverns.1总则1.0.1 为统一地下水封石洞油库设计技术要求,做到安全适用、节能环保技术...
GB/T 50344-2019.Technical standard for inspection of building structure.1总则1.0.1 为了统一建筑结构检测和评定方法，做到技术先进、数据可靠、评定科学，...
GB/T 38972-2020.TiB2 particulate reinforced aluminum alloy powder for additive manufacturing.1范围GB/T 38972规定了增材制造用硼化钛(TiB2 )颗粒增强铝合金粉的技术...
