专利 基于方向置乱的序列化数据加密方法
ISO 289-2 2020 Rubber, unvulcanized — Determinations using a shearing-disc viscometer — Part 2 Determination of pre-vulcanization characteristics.pdf
IEC 61935-2-25 2015 Generic cabling systems - Specification for the testing of balanced communication cabling in accordance with ISO-IEC 11801 - Part 2-25 Work area cord with M12 4 poles connectors - .pdf
ISO 5832-9 2019 Implants for surgery — Metallic materials — Part 9 Wrought high nitrogen stainless steel.pdf
ISO 21308-2 2020 Road vehicles Product data exchange between chassis and bodywork manufacturers (BEP) Part 2 Dimensional bodywork exchange parameters.pdf
ISO 20567-3 2012 Paints and varnishes — Determination of stone-chip resistance of coatings — Part 3 Single-impact test with a free-flying impact body.pdf
ISO 20866 2018 Footwear — Test methods for insoles — Delamination resistance.pdf
ISO 21961 2003 Space data and information transfer systems — Data entity dictionary specification language (DEDSL) — Abstract syntax.pdf
ISO IEC TR 20748-2 2017 Information technology for learning, education and training — Learning analytics interoperability — Part 2 System requirements.pdf
ISO 9609 2016 Aerospace — Nuts, hexagonal, plain, reduced height, normal across fl.pdf
ISO 18938 2014 Imaging materials — Optical discs — Care and handling for extended storage.pdf
GB-T 2972-2016 镀锌钢丝锌层硫酸铜试验方法.pdf
GB-T 15180-2010 重交通道路石油沥青.pdf
GB-T 18311.1-2003 纤维光学互连器件和无源器件 基本试验和测量程序 第3-1部分 检查和测量 外观检查.pdf
GB-T 3103.2-1982 紧固件公差 用于精密机械的螺栓、螺钉和螺母.pdf
GB-T 20372-2006 花椰菜 冷藏和冷藏运输指南.pdf
GB-T 34074-2017 数码照相机 噪声的测量.pdf
GB-T 8592-2001 土方机械 轮胎式机器转向尺寸的测定.pdf
GB-Z 18493-2001 信息技术 软件生存周期过程指南.pdf
GB-T 12618.3-2006 开口型平圆头抽芯铆钉 12级.pdf
GB-T 28133-2011 绿麦隆可湿性粉剂.pdf