GB-T 9722-2023 化学试剂 气相色谱法通则
ISO 8660 2002 Plastics — Determination of permanganate absorption number of caprolactam — Spectrometric method.pdf
ISO 846 2019 Plastics — Evaluation of the action of microorganisms.pdf
ISO 13988 2021 Passenger car and light truck vehicle wheels — Clip and adhesive balance weight and rim flange nomenclature, test procedures and performance requirements.pdf
ISO 25619-2 2015 Geosynthetics — Determination of compression behaviour — Part 2 Determination of short-term compression behaviour.pdf
ISO 3690 2018 Welding and allied processes Determination of hydrogen content in arc weld metal.pdf
ISO 7500-1 2018 Metallic materials — Calibration and verification of static uniaxial testing machines — Part 1 Tension compression testing machines — Calibration and verification of the force-measuri.pdf
ISO TR 10993-22 2017 Biological evaluation of medical devices — Part 22 Guidance on nanomaterials.pdf
ISO 17881-2 2016 Textiles — Determination of certain flame retardants — Part 2 Phosphorus flame retardants.pdf
ISO 21549-6 2008 Health informatics — Patient healthcard data — Part 6 Administrative data.pdf
ISO 2811-4 2011 Paints and varnishes — Determination of density — Part 4 Pressure cup method.pdf
GB-T 23569-2009 重型卧式车床检验条件 精度检验.pdf
GB-T 9349-2002 聚氯乙烯、相关含氯均聚物和共聚物及其共混物热稳定性的测定 变色法.pdf
GB-Z 43963-2024 确定额定电压在交流1000V以上至2000V,直流1500V以上至3000V间设备的电气间隙、爬电距离的数值以及对固体绝缘要求的指南.pdf
GB-T 7320-2018 耐火材料 热膨胀试验方法.pdf
GB-T 905-1994 冷拉圆钢、方钢、六角钢尺寸、外形、重量及允许偏差.pdf
GB-T 12128-1989 用于校准表面污染监测仪的参考源 β发射体和α发射体.pdf
GB-T 6730.51-1986 铁矿石化学分析方法 烧碱石棉吸收重量法测定碳酸盐中碳量.pdf
GB-T 37356-2019 色漆和清漆 涂层目视评定的光照条件和方法.pdf
GB-T 8545-2012 铝及铝合金模锻件的尺寸偏差及加工余量.pdf
GB 19778-2005 包装玻璃容器 铅、镉、砷、锑 溶出允许限量.pdf