专利 一种用于退套环的装置
ISO 14593 1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Method by analysis of inorganic carbon in sealed vessels (CO2 headspace test).pdf
ISO 10534-1 1996 Acoustics — Determination of sound absorption coefficient and impedance in impedance tubes — Part 1 Method using standing wave ratio.pdf
ISO 17396 2024 Synchronous belt drives Metric pitch Tooth profiles T and AT endless and open ended belts and pulleys.pdf
ISO 8503-2 2012 Preparation of steel substrates before application of paints and related products — Surface roughness characteristics of blast-cleaned steel substrates — Part 2 Method for the grading of surface.pdf
ISO 22680 2020 Metallic and other inorganic coatings — Measurement of the linear thermal expansion coefficient of thermal barrier coatings.pdf
ISO 23369 2022 Hydraulic fluid power — Multi-pass method of evaluating filtration performance of a filter element under cyclic flow conditions.pdf
ISO 18400-203 2018 Soil quality — Sampling — Part 20 Investigation of potentially contaminated sites.pdf
ISO 8159 1987 Textiles — Morphology of fibres and yarns — Vocabulary.pdf
ISO 29481-3 2022 Building information models — Information delivery manual — Part 3 Data schema.pdf
ISO 1388-10-1981Ethanol for industrial use. Methods of test. Part 10_Estimation of hydrocarbons cont.pdf
GB-T 42470-2023 纳米技术 基于斑马鱼胚胎的纳米材料毒性评价.pdf
GB 11554-2008 机动车和挂车用后雾灯配光性能.pdf
GB-T 25096-2010 交流电压高于1000V变电站用电站支柱复合绝缘子 定义、试验方法及接收准则.pdf
GB-T 5095.7-1997 电子设备用机电元件 基本试验规程及测量方法 第7部分 机械操作试验和密封性试验.pdf
GB-Z 23740-2009 预防和降低食品中铅污染的操作规范.pdf
GB-T 9862-1988 黑白航空照相胶片感光度和平均斜率测定方法.pdf
GB-T 21143-2014 金属材料 准静态断裂韧度的统一试验方法.pdf
GB-T 19951-2019 道路车辆 电气-电子部件对静电放电抗扰性的试验方法.pdf
GB-Z 43464-2023 海洋能转换装置电能质量要求.pdf
GB-T 700-2006 碳素结构钢.pdf