专利 一种道路监控摄像头用清灰装置
ISO IEC 27001-2013 信息技术 -安全技术-信息安全管理体系-要求 绿盟翻译.pdf
ISO 10440-1 2007 Petroleum, petrochemical and natural gas industries — Rotary-type positive-displacement compressors — Part 1 Process compressors.pdf
ISO 3877-3-1978Tyres,valves and tubes. List of equivalent terms. Part iii_Tubes first edition.pdf
ISO 9439 1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Carbon dioxide evolution test.pdf
ISO 1641-1 2016 End mills and slot drills Part 1 Milling cutters with cylindrical shanks.pdf
ISO 16900-3 2012 Respiratory protective devices Methods of test and test equipment Part 3 Determination of particle filter penetration.pdf
ISO IEC IEEE 26514 2022 Systems and software engineering — Design and development of informati.pdf
ISO IEC 9318-3 1990 Information technology — Intelligent Peripheral Interface — Part 3 Device generic command set for magnetic and optical disk drives.pdf
ISO IEC TR 24729-4 2009 Information technology — Radio frequency identification for item management — Implementation guidelines — Part 4 Tag data security.pdf
ISO 10237 1997 Carbonaceous materials for use in the production of aluminium — Calcined coke — Determination of residual-hydrogen content.pdf
GB-T 19247.1-2003 印制板组装 第1部分 通用规范 采用表面安装和相关组装技术的电子和电气焊接组装的要求.pdf
GB-T 2987-1996 电子管参数符号.pdf
GB-T 24964-2019 冷冻轻烃流体 液化天然气运输船上货物量的测量.pdf
GB-T 5869-2010 救生衣灯.pdf
GB-T 17908-1999 起重机和起重机械 技术性能和验收文件.pdf
GB-T 10322.4-2014 铁矿石 校核取样偏差的实验方法.pdf
GB-T 6219-1998 半导体器件 分立器件 第8部分 场效应晶体管 第一篇 1 GHz、5 W以下的单栅场效应晶体管 空白详细规范.pdf
GB-T 1266-2006 化学试剂 氯化钠.pdf
GB-T 6502-2008 化学纤维 长丝取样方法.pdf
GB-T 15191-2010 贸易数据交换 贸易数据元目录 数据元.pdf