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。 GB/T 38947适用于下列磁选设备的磁感应强度检测方

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

GB/T 38924.7-2020.Environmental test methods for civil small and light unmanned aircraft system-Part 7 : Humidity test. 1范围 GB/T 38924的本部分规定了民用轻小型无人机(

GB/T 38924.10-2020.Environmental test methods for civil small and light unmanned aircraft system-Part 10:Sand and dust test. 1范围 GB/T 38924的本部分规定了民用轻小

GB/T 38988-2020.Damage-tolerant grade titanium alloy plate. 1范围 GB/T 38988规定了损伤容限型钛合金板材的技术要求、试验方法、检验规则及标志、包装、运输、贮存、质量证明书和订货单(或合同)内容。 GB/T 38988适用于轧制方法

GB/T 38924.1-2020.Environmental test methods for civil small and light unmanned aircraft system-Part 1: General principles. 1范围 GB/T 38924的本部分规定了民用轻小型

GB/T 38924.2-2020.Environmental test methods for civil small and light unmanned aircraft system-Part 2: Low-temperature test. 1范围 GB/T 38924的本部分规定了民用轻

GB/T 38924.4-2020.Environmental test methods for civil small and light unmanned aircraft system-Part 4: Temperature and altitude test. 1范围 GB/T 38924的

GB/T 38924.6-2020.Environmental test methods for civil small and light unmanned aircraft system-Part 6: Vibration test. 1范围 GB/T 38924的本部分规定了民用轻小型无人机(

GB/T 38911-2020.General requirements for flight control systems of civil small and light unmanned helicopter. 1范围 GB/T 38911规定了民用轻小型无人直升机飞行控制系统的通用要求、验