GB/T 38947-2020磁选设备磁感应强度检测方法标准
英文:Magnetic flux density test method for magnetic separators GB/T 38947-2020介绍: 国家标准《磁选设备磁感应强度检测方法》由SWG12(全国磁力材料及设备标准化工作...
英文:Magnetic flux density test method for magnetic separators GB/T 38947-2020介绍: 国家标准《磁选设备磁感应强度检测方法》由SWG12(全国磁力材料及设备标准化工作...
英文:Performance and calibration methods for data acquisition software GB/T 38888-2020介绍: 国家标准《数据采集软件的性能及校准方法》由TC104(全国电工仪...
英文:Performance requirements of monitoring and measuring systems used for data collection and analysis GB/T 38853-2020介绍:...
英文:Requirements and test methods for electrostatic shielding packaging bags GB/T 39588-2020介绍: 国家标准《静电屏蔽包装袋要求及检测方法》由424-...
英文:Power quality measurement in power supply systems—Part 2: Functional tests and uncertainty requirements GB/T 39853.2-...
英文:Power quality measurement in power supply systems—Part 1: Power quality instruments (PQI) GB/T 39853.1-2021介绍: 国家标准《供...
英文:Electricity metering equipment(a.c.)—General requirements, tests and test conditions—Part 21:Tariff and load control ...
英文:Methods of measurement of amorphous and nanocrystalline alloys—Part 3: AC magnetic properties of Fe-based amorphous s...
英文:Electricity metering equipment(AC)—General requirements, tests and test conditions—Part 11:Metering equipment GB/T 17...
英文:Electricity metering equipment (AC)—Particular requirements—Part 21:Static meters for active energy(classes A, B, C, ...