GB-T 32543-2026 建筑施工机械与设备 混凝土输送管 连接型式和安全要求
ISO 21415-4 2006 Wheat and wheat flour Gluten content Part 4 Determination of dry gluten from wet gluten by a rapid drying method.pdf
ISO 24229 2022 Information and documentation — Codes for written language conversion systems.pdf
ISO 5151 2017 Non-ducted air conditioners and heat pumps — Testing and rating for.pdf
ISO 7692 1983 Ferrotitanium — Determination of titanium content — Titrimetric method.pdf
ISO 17516 2014 Cosmetics — Microbiology — Microbiological limits.pdf
ISO 23848-1 2009 Machine tools — Ball splines — Part 1 General characteristics and requirements.pdf
ISO 6891-1983Timber structures. Joints made with mechanical fasteners. General principles for the de.pdf
ISO 3521 1997 Plastics — Unsaturated polyester and epoxy resins — Determination of ove.pdf
ISO 20728 2018 Corrosion of metal and alloys Determination of resistance of magnesium alloys to stress corrosion cracking.pdf
ISO 6160 1979 Programming languages — PL 1.pdf
GB-T 40294-2021 确定电励磁同步电机参数的试验方法.pdf
GB-T 9731-2007 化学试剂 硫化合物测定通用方法.pdf
GB-T 29739-2013 门窗反复启闭耐久性试验方法.pdf
GB-T 40887.2-2022 无障碍客车的轮椅车及乘坐者限位系统 第2部分 前向式轮椅车乘坐者系统.pdf
GB-T 23342-2009 往复式内燃机 回弹式绳索起动装置 基本安全要求.pdf
GB-T 19247.3-2003 印制板组装 第3部分 分规范 通孔安装焊接组装的要求.pdf
GB-T 28611-2012 邻、对硝基甲苯.pdf
GB-T 16920-2015 玻璃 平均线热膨胀系数的测定.pdf
GB-T 12588-2003 塑料涂覆织物 聚氯乙烯涂覆层 融合程度快速检验法.pdf
GB-T 39903-2021 项目工作分解结构.pdf