GB/T 39778-2021.Technical specification for recycling and utilization of copper anode mud.1范围GB/T 39778规定了铜阳极泥的一般要求、半湿法回收利用技术要求、全...
GB/T 39644-2021.Plain bearings-Technical specifications for Tin-based alloy plain bearings of rotating machinery.1范围GB/T 39644规定了旋转机械用锡基合金轴承的技术要...
GB/T 39777-2021.Technical requirements of measurement and verification of energy savings-Industrial boiler system.1范围GB/T 39777规定了工业锅炉系统节能改造项目节能量...
GB/T 39856-2021.Hot rolled titanium and titanium alloy seamless tubes.1范围GB/T 39856规定了热轧钛及钛合金无缝管材的技术要求、试验方法.检验规则.以及标志...
GB/T 39165-2020.Test method of peel and chisel for resistance spot and projection welds.1范围GB/T 39165规定了电阻点焊及凸焊接头的剥离和凿离试验的设备及工具...
GB/T 14352.21-2021.Methods for chemical analysis of tungsten ores and molybdenum ores-Part 21 : Determination of arsenic content-Hydride generation atomic fluorescence spectrometry....
GB/T 14352.22-2021.Methods for chemical analysis of tungsten ores and molybdenum ores-Part 22: Determination of antimony content-Hydride generation atomic fluorescence spectrometry....
GB/T 39873-2021.Determination of quaternary ammonium salt in disinfectant-Liquid chromatography-tandem mass spectrometry.1范围GB/T 39873规定了液相色谱-串联质谱法测定消...
GB/T 39869-2021.Brand evaluation-Tourist destination.1范围GB/T 39869规定了旅游目的地品牌评价的术语和定义、品牌价值测算模型、品牌强度测算指标、品...
GB/T 12626.7-2015.Hard fibreboard-Part 7 : General purpose boards for use in exterior conditions.1范围GB/T 12626的本部分规定了室外条件下使用的普通用板的要求、...
