GB-T 33972-2017 高速列车转向架构架用热轧钢板及钢带
ISO 3877-4 1984 Tyres, valves and tubes — List of equivalent terms — Part 4 Solid tyres.pdf
ISO 9539 2010 Gas welding equipment — Materials for equipment used in gas welding, cutting and allied processes.pdf
ISO 12945-4 2020 Textiles Determination of fabric propensity to surface pilling fuzzing or matting Part 4 Assessment of pilling fuzzing and matting by visual analysis.pdf
ISO 14524 2009 Photography — Electronic still-picture cameras — Methods for measuring opto-electronic conversion functions (OECFs).pdf
ISO IEC 14443-1-2018 Cards and security devices for personal identification Contactless proximity objects Part 1 Physical characteristics.pdf
ISO TS 23367-1 2022 Nanotechnologies — Performance characteristics of nanosensors for chemical and biomolecule detection — Part 1 Detection performance.pdf
ISO 3002-3 1984 Basic quantities in cutting and grinding — Part 3 Geome.pdf
ISO 13778 2017 Plain bearings — Quality assurance of thin-walled half bearings — Selective assembly of bearings to achieve a narrow clearance range.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 21254-2 2011 Lasers and laser-related equipment — Test methods for laser-induced damage threshold — Part 2 Threshold determination.pdf
GB-T 24144-2009 消防软管 橡胶和塑料吸引软管和软管组合件.pdf
GB-T 12128.2-1999 用于校准表面污染监测仪的参考源 第2部分 能量低于0.15MeV的电子和能量低于1.5MeV的光子.pdf
GB-T 18961-2023 便携式割灌机和割草机 词汇.pdf
GB-T 7111.5-2002 纺织机械噪声测试规范 第5部分 机织和针织准备机械.pdf
GB-T 2423.17-2008 电工电子产品环境试验 第2部分 试验方法 试验Ka 盐雾.pdf
GB-T 882-2008 销轴.pdf
GB-T 9634.3-2002 铁氧体磁心表面缺陷极限导则 第3部分 ETD和E形磁心.pdf
GB-T 9798-2005 金属覆盖层 镍电沉积层.pdf
GB-T 14488.1-2008 植物油料 含油量测定.pdf
GB-T 6881-2023 声学 声压法测定噪声源声功率级和声能量级 混响室精密法.pdf