GB/T 39230-2020 重型海底电缆收放装置安装与调试规程
GB/T 39230-2020.Code of practice for installation and commissioning of heavy dut...
国家标准2023.08.02
GB/T 39230-2020.Code of practice for installation and commissioning of heavy dut...
国家标准2023.08.02
GB/T 39234-2020.Determination of phthalate esters in soil-Gas chromatography-mas...
国家标准2023.08.02
GB/T 15330-2020.Test method for water penetration rate of pressure-sensitive tap...
国家标准2023.08.02
GB/T 39294-2020.Determination of the discoloration performence for adhesive.1范围G...
国家标准2023.08.02
GB/T 15331-2020.Test method for water vapor transmission rate of pressure-sensit...
国家标准2023.08.02
GB/T 39246-2020.Prefabricated directly buried insulating fittings with seamless...
国家标准2023.08.02
GB/T 39295-2020.Determination of the tack for water based adhesive.1范围GB/T 39295...
国家标准2023.08.02
GB/T 39434-2020.Technical requirement for ozone treatment recirculating cooling...
国家标准2023.08.02
GB/T 39232-2020.Zirconia ceramics knife.1范围GB/T 39232规定了氧化锆日用陶瓷刀的要求、试验方法、检验规则以及标...
国家标准2023.08.02
GB/T 39237-2020.Technical requirements for application of LED nightscape lightin...
国家标准2023.08.02