GB-T 43290-2023 电子商务逆向物流通用服务规范
ISO 1604 1989 Belt drives — Endless wide V-belts for industrial speed-changers and groove profiles for corresponding pulleys.pdf
ISO 10693 1995 Soil quality — Determination of carbonate content — Volumetric method.pdf
ISO 17292 2015 Metal ball valves for petroleum, petrochemical and allied industries.pdf
ISO 26623-1 2020 Polygonal taper interface with flange contact surface — Part 1 Dimensions and designation of shanks.pdf
ISO 20310 2018 Thermal insulation for building equipment and industrial installations Aluminosilicate wool products Specification.pdf
ISO 15900 2020 Determination of particle size distribution Differential electrical mobility analysis for aerosol particles.pdf
ISO 2919 2012 Radiological protection Sealed radioactive sources General requirements and classification.pdf
ISO 17804 2020 Founding — Ausferritic spheroidal graphite cast irons — Classification.pdf
ISO IEC 16500-1 1999 Information technology — Generic digital audio-visual systems — Part 1 System reference models and scenarios.pdf
ISO 20166-1 2018 Molecular in vitro diagnostic examinations Specifications for pre-examination processes for formalin-fixed and paraffin-embedded (FFPE) tissue Part 1 Isolated RNA.pdf
GB-T 32257-2015 镍及镍合金熔化焊焊工技能评定.pdf
GB-T 4393-2008 呆扳手、梅花扳手、两用扳手 技术规范.pdf
GB-T 32736-2016 干薄荷.pdf
GB-T 30542-2014 文件管理 130mm光盘存储信息的监测和验证.pdf
GB-T 30543-2014 纳米技术 单壁碳纳米管的透射电子显微术表征方法.pdf
GB-T 31522-2015 基体与超导体体积比测试 Nb3Sn复合超导线铜与非铜体积比.pdf
GB-T 39164-2020 成型模 注射模隔热板.pdf
GB-T 39154-2020 金属和合金的腐蚀 混凝土用钢筋的阴极保护.pdf
GB-T 2423.32-2008 电工电子产品环境试验 第2部分 试验方法 试验Ta 润湿称量法可焊性.pdf
GB-T 17349.2-1998 道路车辆 汽车诊断系统 图形符号.pdf