专利 一种带有密封结构的饮水提醒器
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ISO SAE 21434 2021 Road vehicles — Cybersecurity engineering.pdf
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ISO TR 14049 2012 Environmental management — Life cycle assessment — Illustrative examples on how to apply ISO 14044 to goal and scope definition and inventory analysis.pdf
ISO 20957-7 2024 Stationary training equipment Part 7 Rowing equipment Additional specific safety requirements and test methods.pdf
ISO 12614-8 2021 Road vehicles — Liquefied natural gas (LNG) fuel system components — Part 8 Excess flow valve.pdf
ISO 6843 1988 Surface active agents — Sulfated ethoxylated alcohols and alkylphenols — Estimation of the mean relative molecular mass.pdf
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GB-T 10913-2005 土方机械 行驶速度测定.pdf
GB-T 28045-2011 道路车辆 42V供电电压的电气和电子设备 电气负荷.pdf
GB-T 19889.4-2005 声学 建筑和建筑构件隔声测量 第4部分 房间之间空气声隔声的现场测量.pdf
GB-T 18794.3-2003 信息技术 开放系统互连 开放系统安全框架 第3部分 访问控制框架.pdf