GB/T 50518-2020.Standard for the equipment of ventilative safety of coal mine.1总...

国家标准2023.07.31

GB/T 38977-2020.Nanometer grain cemented carbide rod.1范围GB/T 38977规定了纳米晶硬质合金棒材的分...

国家标准2023.07.31

GB/T 38968-2020.Guidelines for circular economy practical technologies in copper...

国家标准2023.07.31

GB/T 38846-2020.Smart factroy-Industrial automation systems engineering role cla...

国家标准2023.07.30

GB/T 38866-2020.Dichlorosilane for electronic industry.1范围GB/T 38866规定了电子工业用二氯硅烷...

国家标准2023.07.30

GB/T 38994-2020.Digital collaborative manufacturing technical general requiremen...

国家标准2023.07.30

GB/T 38986-2020.Methods of descaling and cleaning for zirconium and zirconium al...

国家标准2023.07.30

GB/T 38848-2020.Intelligent factory-Technical requirements of process industry e...

国家标准2023.07.30

GB/T 38854-2020.Smart factory-Transfer protocol of production process control da...

国家标准2023.07.30

GB/T 38847-2020.Intelligence factory-Technical requirements for industrial contr...

国家标准2023.07.30