专利 一种证书签发系统及相关设备
ISO 4577 2019 Plastics — Polypropylene and propylene-copolymers — Determination of thermal oxidative stability in air — Oven method.pdf
ISO 7530-8:1992 Nickel alloys — Flame atomic absorption spectrometric analysis — Part 8 Determination of silicon content.pdf
ISO 4375 2014 Hydrometry — Cableway systems for stream gauging.pdf
ISO 17735 2019 Workplace atmospheres Determination of total isocyanate groups in air using 1-(9-anthracenylmethyl)piperazine (MAP) reagent and liquid chromatography.pdf
ISO TR 20693 2019 Statistical methods for implementation of Six Sigma — Selected illustrations of distribution identification studies.pdf
ISO 21283 2018 Iron ores Determination of specific surface area Test method using air-permeability apparatus (Blaine).pdf
ISO 16474-4 2013 Paints and varnishes — Methods of exposure to laboratory light sources — Part 4 Open-flame carbon-arc lamps.pdf
ISO 14520-17 2022 Gaseous fire-extinguishing systems Physical properties and system design Part 17 Halocarbon Blend 55.pdf
ISO-TS 21219-26 2018 Intelligent transport systems Traffic and travel information via transport protocol experts group generation 2 (TPEG2) Part 26 Vigilance location information (TPEG2-VLI).pdf
ISO 12418-2 2012 Plastics — Post-consumer poly(ethylene terephthalate) (PET) bottle recyclates — Part 2 Preparation of test specimens and determination of properties.pdf
GB-T 25961-2010 电气绝缘油中腐蚀性硫的试验法.pdf
GB-T 9808-2008 钻探用无缝钢管.pdf
GB-T 16898-1997 难燃液压液使用导则.pdf
GB-T 23731-2009 GEDI-通用电子文档交换.pdf
GB-T 17489-2022 液压传动 颗粒污染分析 从工作系统管路中提取液样.pdf
GB-T 2900.63-2003 电工术语 基础继电器.pdf
GB-T 19494.3-2004 煤炭机械化采样 第3部分 精密度测定和偏倚试验.pdf
GB-T 17788-1999 三类传真终端的安全能力.pdf
GB 175-2007 通用硅酸盐水泥.pdf
GB-T 23558-2009 苄嘧磺隆可湿性粉剂.pdf