NB-T 10391-2020 水工隧洞设计规范
ISO 5620-2 1992 Shipbuilding and marine structures — Filling connection for drinking water tanks — Part 2 Components.pdf
ISO 12633-2 2011 Hot-finished structural hollow sections of non-alloy and fine grain steels Part 2 Dimensions and sectional properties.pdf
ISO 5015-2 2022 Unmanned aircraft systems — Part 2 Operation of vertiports for vertical take-off and landing (VTOL) unmanned aircraf.pdf
ISO 6891-1983Timber structures. Joints made with mechanical fasteners. General principles for the de.pdf
ISO 17995 2019 Water quality — Detection and enumeration of thermotolerant Campylobact.pdf
ISO TR 24679-2 2017 Fire safety engineering — Performance of structure in fire — Part 2 Example of an airport terminal.pdf
ISO IEC 29150 2011 Information technology — Security techniques — Signcryption.pdf
ISO 308 1994 Plastics — Phenolic moulding materials — Determination of acetone-soluble matter (apparent resin content of material in the unmoulded state).pdf
ISO 4948-1-1982Steels. Classification. Part 1_Classification of steels into unalloyed and alloy stee.pdf
ISO 10914 1996 Assembly tools for screws and nuts — Sockets and wrenches for spline drive.pdf
GB-T 8658-1998 乳液聚合型苯乙烯-丁二烯橡胶生胶结合苯乙烯含量的测定 折光指数法.pdf
GB-T 40318-2021 塑料 环境因素 标准中环境因素的通则.pdf
GB-T 31591-2015 色漆和清漆 耐擦伤性的测定.pdf
GB-T 7127.2-2000 使用石油基制动液的道路车辆 液压制动系统用制动软管组合件.pdf
GB-T 14919-1994 数字声音信号源编码技术规范.pdf
GB-T 21155-2015 土方机械 行车声响报警装置和前方喇叭 试验方法和性能准则.pdf
GB-T 18851.4-2005 无损检测 渗透检测 第4部分 设备.pdf
GB-T 31883-2015 道路车辆 牵引连接件、牵引杆孔、牵引座牵引销、连接钩及环形孔 机械连接件使用磨损极限.pdf
GB-T 9869-2014 橡胶胶料 硫化特性的测定 圆盘振荡硫化仪法.pdf
GB-T 18849-2011 机动工业车辆 制动器性能和零件强度.pdf