GB/T 38940-2020.Precision expansion alloys for sealing to silicon and silicon components.1范围GB/T 38940规定了硅组件用精密封接合金的订货内容、分类和代号、尺...
GB/T 38874.1-2020.Tractors and machinery for agriculture and forestry-Safety-related parts of control systems-Part 1 : General principles for design and development.1范围GB/T 3887...
GB/T 38941-2020.Superalloy rods for powders atomized by plasma rotating electrode process.1范围GB/T 38941规定了等离子旋转电极法雾化粉末用高温合金棒料的订货内...
GB/T 38874.3-2020.Tractors and machinery for agriculture and forestry-Safety-related parts of control systems-Part 3 :Series development , hardware and software.1范围GB/T 38874的本...
GB/T 38955-2020.Carbon contact strips for urban rail transit vehicles.1范围GB/T 38955规定了城市轨道交通车辆用炭滑板产品的技术要求、检验方法、检验规则...
GB/T 38960-2020.Cryogenic-resistant controlled expansion alloys.1范围GB/T 38960规定了耐低温铁镍钴基定膨胀合金的订货内容、分类和代号、尺寸、外形、重...
GB/T 38893-2020.Industrial trucks-Safety monitoring system.1范围GB/T 38893规定了工业车辆安全监控管理系统(以下简称“监控系统")的构成、内容、要求、检...
GB/T 17360-2020.Microbeam analysis-Method of quantitative determination for low contents of silicon and manganese in steels using electron probe microanalyzer.1范围GB/T 17360规定了...
GB/T 38908-2020.Test methods for chlorine resistance performance of household reverse osmosis and nanofiltration membrane elements.1范围GB/T 38908规定了家用反渗透和纳滤膜...
GB/T 38947-2020.Magnetic flux density test method for magnetic separators.1范围GB/T 38947规定了磁选设备分类、磁选设备磁感应强度检测仪器及范围、检测方法...