专利 一种基于私钥存储的数字产品授权方法及系统
ISO 5718-2 2023 Harvesting equipment — Requirements for cutting elements — Part 2 Blades used on large rotary mowers.pdf
ISO 20637 2015 Infant formula and adult nutritionals — Determination of myo-inositol by liquid chromatography and pulsed amperometry.pdf
ISO TS 22492 2019 Water pipe tobacco products — Determination of carbon monoxide emission of glowing water pipe charcoal — NDIR method.pdf
ISO 7627-4 1983 Hardmetals — Chemical analysis by flame atomic absorption spectro.pdf
ISO 14990-1 2016 Earth-moving machinery Electrical safety of machines utilizing electric drives and related components and systems Part 1 General requirements.pdf
ISO TS 14048 2002 Environmental management — Life cycle assessment — Data documentation.pdf
ISO 25539-3 2011 Cardiovascular implants Endovascular devices Part 3 Vena cava filters.pdf
ISO 6358-2 2019 Pneumatic fluid power — Determination of flow-rate characteristics of components using compressible fluids — Part 2 Alternative test methods.pdf
ISO 13349-1 2022 Fans — Vocabulary and definitions of categories — Part 1 Vocabulary.pdf
ISO 16591 2010 Petroleum products — Determination of sulfur content — Oxidative microcoulometry method.pdf
GB-T 3098.2-2015 紧固件机械性能 螺母.pdf
GB-T 27848-2011 液态沥青和稀释沥青 闪点测定 阿贝尔闭口杯法.pdf
GB-T 38732-2020 表面活性剂 工业烷基磺酸盐试验方法.pdf
GB 20816-2006 车辆防盗报警系统 乘用车.pdf
GB-T 1558-2009 硅中代位碳原子含量 红外吸收测量方法.pdf
GB-T 12787-2020 辐射防护仪器 临界事故报警设备.pdf
GB-T 17704.1-1999 信息技术 信息交换用130 mm一次写入盒式光盘 第1部分 未记录盒式光盘.pdf
GB-T 8647.7-2006 镍化学分析方法 砷、锑、铋、锡、铅量的测定 电热原子吸收光谱法.pdf
GB-T 17191.3-1997 信息技术 具有1.5Mbit-s 数据传输率的数字存储媒体运动图像及其伴音的编码 第3部分 音频.pdf
GB-Z 24987-2010 纸、纸板和纸浆 测试方法不确定度的评定.pdf