DB21-T 3944-2024 水面救援作业要求 辽宁省
ISO 13970 2011 Recreational diving services — Requirements for the training of recreational snorkelling guides.pdf
ISO 16239 2013 Metric series wires for measuring screw threads.pdf
ISO 2629-1973 Basic mode control procedures - Conversational information message transfer.pdf
ISO 3856-5-1984Paints and varnishes. Determination ofsoluble_ metal content. Part 5_Determination of.pdf
ISO-IEC TS 9922 2024 Programming Languages - Technical specification for C extensions for concurrency 2.pdf
ISO 2144 2019 Paper, board, pulps and cellulose nanomaterials — Determination of residue (ash content) on ignition at 900 °C.pdf
ISO 17511 2020 In vitro diagnostic medical devices Requirements for establishing metrological traceability of values assigned to calibrators trueness control materials and human samples.pdf
ISO 20292 2009 Materials for the production of primary aluminium — Dense refractory bricks — Determination of cryolite resistance.pdf
ISO 8729-2 2009 Ships and marine technology — Marine radar reflectors — Part 2 Active type.pdf
ISO IEC 19075-6 2021 Information technology — Guidance for the use of database language SQL — Part 6 Support for JSON.pdf
GB-T 26239-2010 软件工程 开发方法元模型.pdf
GB-T 18912-2002 光伏组件盐雾腐蚀试验.pdf
GB-T 33820-2017 金属材料 延性试验 多孔状和蜂窝状金属高速压缩试验方法.pdf
GB-T 20328-2006 R系列圆锥管螺纹圆板牙.pdf
GB-Z 19219-2003 工业自动化 时限通信体系结构 时限通信系统的用户需求和网络管理.pdf
GB-T 21208-2007 低压开关设备和控制设备 固定式消防泵驱动器的控制器.pdf
GB-T 39505-2020 家用电理发剪及修发器性能测试方法.pdf
GB-T 25922-2010 封闭管道中流体流量的测量 用安装在充满流体的圆形截面管道中的涡街流量计测量流量的方法.pdf
GB-T 29559-2013 表面化学分析 辉光放电原子发射光谱 锌和-或铝基合金镀层的分析.pdf
GB-T 14450-2016 胎圈用钢丝.pdf