全网唯一标准王
GB-T 12163-1990 用于防护电离辐射的50 mm和100 mm厚墙的铅屏蔽构件
ISO 7201-2-1991Fire extinguishing media. Halogenated hydrocarbons. Part 2_Code of practice for safe.pdfISO TR 7637-5 2016 Road vehicles — Electrical disturbances from conduction and coupling — Part 5 Enhanced definitions and verification methods for harmonization of pulse generators according to ISO 7637.pdfISO 9847 2023 Solar energy — Calibration of pyranometers by comparison to a reference pyranometer.pdfISO 5-4-2009 Photography and graphic technology-Density measurements-Part 4- Geometric conditions for reflection density.pdfISO-IEC 24767-1 2008 Information technology - Home network security - Part 1 Security requirements .pdfISO 3875 2020 Machine tools — Test conditions for external cylindrical centreless grinding machines — Testing of the accuracy.pdfISO 18163 2016 Clothing — Digital fittings — Vocabulary and terminology used for the virtual garment.pdfISO 10619-3 2011 Rubber and plastics hoses and tubing Measurement of flexibility and stiffness Part 3 Bending tests at high and low temperatures.pdfISO IEC 10026-5 1998 Information technology — Open Systems Interconnection — Distributed Transaction Processing — Part 5 Application context proforma and guidelines when using OSI TP.pdfISO 5260 2023 Epoxidized natural rubber — Determination of epoxidation and ring open.pdfGB-T 30508-2014 船舶和海上技术 液压油系统 清洁度等级和冲洗导则.pdfGB-T 17630-1998 土工布及其有关产品 动态穿孔试验 落锥法.pdfGB-T 5559-2010 环氧乙烷型及环氧乙烷-环氧丙烷嵌段聚合型非离子表面活性剂 浊点的测定.pdfGB-T 4214.9-2021 家用和类似用途电器噪声测试方法 风扇的特殊要求.pdfGB-T 230.1-2018 金属材料 洛氏硬度试验 第1部分 试验方法.pdfGB-T 7618-1987 在数据通信领域中通常同集成电路设备一起使用的非平衡双流接口电路的电气特性.pdfGB-T 16976-1997 信息技术 系统间远程通信和信息交换 使用X.25提供OSI连接方式网络服务.pdfGB-T 6160-2003 缩微摄影技术 源文件第一代银--明胶型缩微品密度规范与测量方法.pdfGB-T 9217.1-2005 硬质合金旋转锉 第1部分 通用技术条件.pdfGB-T 42883-2023 智慧城市基础设施 评估和改善成熟度模型.pdf
