专利 一种高效节能电源适配器
ISO-IEC 25041 2012 Systems and software engineering -- Systems and software Quality Requirements and Evaluation (SQuaRE) -- Evaluation guide for developers acquirers and independent evaluators.pdf
ISO 14593 1999 Water quality — Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium — Method by analysis of inorganic carbon in sealed vessels (CO2 headspace test).pdf
ISO 12020 1997 Water quality — Determination of aluminium — Atomic absorption spectrometric methods.pdf
ISO 4755 1983 Fasteners — Thread undercuts for external metric ISO threads.pdf
ISO 16336 2014 Applications of statistical and related methods to new technology and product development process — Robust parameter design (RPD).pdf
ISO-IEC 18181-1 2024 Information technology - JPEG XL image coding system - Part 1 Core coding system.pdf
ISO 4990 2023 Steel castings — General technical delivery requirements.pdf
ISO 11297-3 2018 Plastics piping systems for renovation of underground drainage and sewerage networks under pressure Part 3 Lining with close-fit pipes.pdf
ISO 17536-4 2019 Road Vehicles Aerosol separator performance test for internal combustion engines Part 4 Laboratory fractional efficiency test method.pdf
ISO 14404-2 2013 Calculation method of carbon dioxide emission intensity from iron and steel production — Part 2 Steel plant with electric arc furnace (EAF).pdf
GB-T 30204-2013 飞机液氧加注接头配合尺寸.pdf
GB-T 27738-2011 重力式自动装料衡器.pdf
GB-T 23197-2008 鸡传染性支气管炎诊断技术.pdf
GB-T 8591-2000 土方机械 司机座椅标定点.pdf
GB-T 26293-2010 铝电解用炭素材料 冷捣糊和中温糊 未焙烧糊捣实性的测定.pdf
GB-T 31961-2015 载货汽车和客车轮辋规格系列.pdf
GB-T 43800-2024 船舶电气与电子装置 电磁兼容性 非金属船舶.pdf
GB-T 39984-2021 泵系统能耗评估.pdf
GB-T 26635-2011 动植物油脂 生育酚及生育三烯酚含量测定 高效液相色谱法.pdf
GB-T 15574-2016 钢产品分类.pdf