GB-T 18115.7-2006 稀土金属及其氧化物中稀土杂质化学分析方法 钆中镧、铈、镨、钕、钐、铕、铽、镝、钬、铒、铥、镱、镥和钇量的测定
ISO 4262 1993 Petroleum products — Determination of carbon residue — Ramsbottom met.pdf
ISO TR 20736 2021 Sludge recovery, recycling, treatment and disposal — Guidance on thermal treatment of sludge.pdf
ISO 5178 2019 Destructive tests on welds in metallic materials — Longitudinal tensile test on weld metal in fusion welded joints.pdf
ISO 12241 2022 Thermal insulation for building equipment and industrial installations — Calculation rules.pdf
ISO 19642-3 2019 Road vehicles Automotive cables Part 3 Dimensions and requirements for 30 V a.c. or 60 V d.c. single core copper conductor cables.pdf
ISO 18674-1 2015 Geotechnical investigation and testing — Geotechnical monitoring by field instrumentation — Part 1 General rules.pdf
ISO 8000-110 2021 Data quality — Part 110 Master data Exchange of characteristic data Syntax, semantic encoding, and.pdf
ISO 16322-2 2021 Textiles — Determination of spirality after laundering — Part 2 Woven and knitted fabrics.pdf
ISO 16494-1 2022-Amd 1 2023 Heat recovery ventilators and energy recovery ventilators Method of test for performance Part 1 Development of metrics for evaluation of energy related performance Amend.pdf
ISO 1203 1998 Photography — Roll film cameras — Back window location.pdf
GB-T 7725-2004 房间空气调节器.pdf
GB-T 12538-2003 两轴道路车辆 重心位置的测定.pdf
GB-T 15390-2005 工程用焊接结构弯板链、附件和链轮.pdf
GB-T 25995-2010 精细陶瓷密度和显气孔率试验方法.pdf
GB-T 20144-2016 带灯罩环的灯座用筒形螺纹.pdf
GB-T 28553-2012 汽轮机 蒸汽纯度.pdf
GB-T 8023-1987 液体石油产品粘度温度计算图.pdf
GB-T 19334-2021 低压开关设备和控制设备的尺寸 在开关设备和控制设备及其附件中作机械支承的标准安装轨.pdf
GB-T 17624.1-1998 电磁兼容 综述 电磁兼容基本术语和定义的应用与解释.pdf
GB-T 17048-2017 架空绞线用硬铝线.pdf