专利 一种燃气防爆安全装置
ISO 1005-3-1982Railway rolling stock material. Part 3_Axles for tractive and trailing stock. Quality.pdf
ISO 9270-1 2010 7 24 taper spindle noses for automatic tool changers — Part 1 Dimensions and designation of spindle noses of forms S and SF.pdf
ISO 16336 2014 Applications of statistical and related methods to new technology and product development process — Robust parameter design (RPD).pdf
ISO 21803 2019 Dried dill — Specification.pdf
ISO 23137-1 2024 Requirements for aerosol filters used in nuclear facilities against.pdf
ISO 17299-4 2015 Textiles — Determination of deodorant property — Part 4 Condensation sampling analysis.pdf
ISO 20601 2018 Non-destructive testing of welds — Ultrasonic testing — Use.pdf
ISO-IEC 23003-2 2018 Information technology - MPEG audio technologies - Part 2 Spatial Audio Object Coding (SAOC).pdf
ISO TS 19567-2 2019 Photography — Digital cameras — Part 2 Texture analysis using stochastic pattern.pdf
ISO TS 21480 2021 Glass in building — General technical requirements of building integrated photovoltaic modules recycling.pdf
GB-T 9460-2023 铜及铜合金焊丝.pdf
GB-T 17455-2008 无损检测 表面检测的金相复型技术.pdf
GB-T 22133-2008 流体流量测量 流量计性能表述方法.pdf
GB-T 23119-2017 家用和类似用途电器 性能测试用水.pdf
GB-T 17241.1-1998 铸铁管法兰 类型.pdf
GB-T 11545-2008 带传动 汽车工业用V带 疲劳试验.pdf
GB-T 2353-2005 液压泵及马达的安装法兰和轴伸的尺寸系列及标注代号.pdf
GB-T 5209-1985 色漆和清漆耐水性的测定 浸水法.pdf
GB-T 12833-2006 橡胶和塑料 撕裂强度和粘合强度测定中的多峰曲线分析.pdf
GB-T 7957-2017 瓦斯环境用矿灯结构、性能和防爆试验通用要求.pdf