说明:收录25万 73个行业的国家标准 支持批量下载
GB-T 28808-2021 轨道交通 通信、信号和处理系统 控制和防护系统软件
ISO 16814 2008 Building environment design — Indoor air quality — Methods of expressing the quality of indoor air for human occupancy.pdfISO 1082 1990 Mining — Shackle type connector units for chain conveyors.pdfISO 1984-1 2001 Test conditions for manually controlled milling machines with table of fixed height - Testing of the accuracy — Part 1 Machines with horizontal spindle.pdfISO 21243 2022 Radiation protection — Performance criteria for laboratories performing initial cytogenetic dose assessment of mass casualties in.pdfISO 7397-1 1993 Passenger cars — Verification of driver's direct field of view — Part 1 Vehicle positioning for static measurement.pdfISO 7975 2019 Passenger cars — Braking in a turn — Open-loop test method.pdfISO 9186-2 2008 Graphical symbols — Test methods — Part 2 Method for testing perceptual quality.pdfISO 4242-1980Cinematography. Recording head gaps for two sound records on 16 mm magnetic film. Posit.pdfISO 12543-4 2021 Glass in building Laminated glass and laminated safety glass Part 4 Test methods for durability.pdfISO 19403-2 2024 Paints and varnishes Wettability Part 2 Determination of the surface free energy of solid surfaces by measuring the contact angle.pdfGB-T 5271.23-2000 信息技术 词汇 第23部分 文本处理.pdfGB-T 21857-2008 化学品 快速生物降解性 改进的OECD筛选试验.pdfGB-T 7937-2008 液压气动管接头及其相关元件 公称压力系列.pdfGB-T 14388-2010 木工硬质合金圆锯片.pdfGB-T 2820.7-2024 往复式内燃机驱动的交流发电机组 第7部分 用于技术条件和设计的技术说明.pdfGB-T 19404-2003 微波铁氧体器件主要性能测量方法.pdfGB-T 37855-2019 玻璃容器 26H126冠形瓶口尺寸.pdfGB-T 8592-2001 土方机械 轮胎式机器转向尺寸的测定.pdfGB-T 25507-2010 工业基础类平台规范.pdfGB-T 25132-2010 液压过滤器 压差装置试验方法.pdf
