专利 一种方便安装及拆卸的PCB拓展板收容盒
ISO 15005 2017 Road vehicles — Ergonomic aspects of transportation and control systems — Dialogue management principles and compliance procedures.pdf
ISO 20557-2 2018 Plastics Poly(phenylene ether) (PPE) moulding and extrusion materials Part 2 Preparation of test specimen and determination of properties.pdf
ISO 6934-4 2020 Steel for the prestressing of concrete — Part 4 Strand.pdf
ISO 15176 2019 Guidance on characterization of excavated soil and other materials intended for re-use.pdf
ISO 20666 2008 Water quality Determination of the chronic toxicity to Brachionus calyciflorus in 48 h.pdf
ISO 6556 2012 Laboratory glassware — Filter flasks.pdf
ISO 15584 2001 Small craft — Inboard petrol engines — Engine-mounted fuel and electrical components.pdf
ISO 24265 2020 Footwear — Test methods for uppers — Resistance to rubbing using a rubb.pdf
ISO 20901 2020 Intelligent transport systems Emergency electronic brake light systems (EEBL) Performance requirements and test procedures.pdf
ISO 12098 2020 Road vehicles — Connectors for the electrical connection of towing and towed vehicles — 15-pole connector for vehicles with 24 V nominal supply voltage.pdf
GB-T 1663-2001 增塑剂结晶点的测定.pdf
GB-T 23289-2009 术语工作 文后参考文献及源标识符.pdf
GB-T 40721-2021 橡胶 摩擦性能的测定.pdf
GB-Z 6413.2-2003 圆柱齿轮、锥齿轮和准双曲面齿轮 胶合承载能力计算方法 第2部分 积分温度法.pdf
GB-T 615-2006 化学试剂 沸程测定通用方法.pdf
GB-T 32530-2016 林业机械 锯链甩射防护系统 试验方法和性能要求.pdf
GB-T 41498-2022 纤维增强塑料复合材料 用剪切框测定面内剪切应力-剪切应变响应和剪切模量的试验方法.pdf
GB-T 9450-2005 钢件渗碳淬火硬化层深度的测定和校核.pdf
GB 16776-2005 建筑用硅酮结构密封胶.pdf
GB-T 21219-2007 磁性材料 分类.pdf