信通院 北斗技术与产业发展白皮书-2019
ISO IEC 27555 2021 Information security, cybersecurity and privacy protection — Guidelines on personally identifiable information deletion.pdf
ISO 28927-1 2019 Hand-held portable power tools — Test methods for evaluation of vibration emission — Part 1 Angle and vertical grinders.pdf
ISO 4892-2-2021.pdf
ISO 9882 1993 Performance standards in building — Performance test for precast concrete floors — Behaviour under non-concentrated load.pdf
ISO 17577 2016 Steel — Ultrasonic testing of steel flat products of thickness equal to or greater than 6 mm.pdf
ISO 1113 1979 Information processing - Representation of the 7- bit coded character set on punched tape br - .pdf
ISO TR 21414 2016 Hydrometry — Groundwater — Surface geophysical surveys for hy.pdf
ISO 11064-5 2008 Ergonomic design of control centres — Part 5 Displays and controls.pdf
ISO 787-22 1980 General methods of test for pigments and extenders Part 22 Comparison of resistance to bleeding of pigments.pdf
ISO-IEC TS 29140-2 2011 Information technology for learning education and training -- Nomadicity and mobile technologies -- Part 2 Learner information model for mobile learning.pdf
GB-T 15339-2008 橡胶配合剂 炭黑 在丁腈橡胶中的鉴定方法.pdf
GB-T 14656-2009 阻燃纸和纸板燃烧性能试验方法.pdf
GB-T 9797-2005 金属覆盖层 镍+铬和铜+镍+铬电镀层.pdf
GB-T 1603-2001 农药乳液稳定性测定方法.pdf
GB-T 2346-2003 流体传动系统及元件 公称压力系列.pdf
GB-T 17359-2012 微束分析 能谱法定量分析.pdf
GB-T 21184-2007 橡胶配合剂 次磺酰胺促进剂 试验方法.pdf
GB-T 15905-1995 硫化橡胶湿热老化试验方法.pdf
GB-T 21413.3-2008 铁路应用 机车车辆电气设备 第3部分 电工器件 直流断路器规则.pdf
GB-T 17966-2024 信息技术 微处理器系统 浮点运算.pdf