GB/T 39636-2020 钢质管道熔结环氧粉末外涂层技术规范
GB/T 39636-2020.Specification of fusion-bonded epoxy external coatings for steel...
国家标准2023.08.03
GB/T 39636-2020.Specification of fusion-bonded epoxy external coatings for steel...
国家标准2023.08.03
GB/T 39588-2020.Requirements and test methods for electrostatic shielding packag...
国家标准2023.08.03
GB/T 11181-2016.Steel cord for radial tyre.1范围GB/T 11181规定了子午线轮胎用钢帘线的术语和定义.分类、代号...
国家标准2023.08.03
GB/T 16263.2-2006.Information technology-ASN. 1 encoding rules-Part 2: Specifica...
国家标准2023.08.03
GB/T 18403.3-2014.Expression of performance of gas analyzers-Part 3: Paramagneti...
国家标准2023.08.03
GB/T 2820.11-2012.Reciprocating internal combustion engine driven alternating cu...
国家标准2023.08.03
GB/T 7424.24-2020.Optical fibre cable generic specification-Part 24 :Basic optic...
国家标准2023.08.03
GB/T 5023.5-2008.Polyvinyl chloride insulated cables of rated voltages up to and...
国家标准2023.08.03
GB/T 39336-2020.Technical requirement of roadside bag filling for gob-side entry...
国家标准2023.08.03
GB/T 39387-2020.Application effect evaluation of heat pump technology in househo...
国家标准2023.08.03