说明:收录25万 73个行业的国家标准 支持批量下载
GB-T 16823.1-1997 螺纹紧固件应力截面积和承载面积
ISO 9224 2012 Corrosion of metals and alloys — Corrosivity of atmospheres — Guiding values for the corrosivity categories.pdfISO IEC 30107-4 2024 Information technology — Biometric presentation attack detect.pdfISO IEC 26553 2018 Information technology — Software and systems engineering — Tools and methods for product line realization.pdfISO 16496 2016 Laboratory glassware — Vacuum-jacketed vessels for heat insulation.pdfISO TR 10295-3 2012 Fire tests for building elements and components — Fire testing of service installations — Part 3 Single component penetration seals — Guidance on the construction.pdfISO 18400-100 2017 Soil quality — Sampling — Part 100 Guidance on the selection of sampling standards.pdfISO TR 16786 2015 Intelligent transport systems — The use of simulation models for evaluation of traffic management systems — Input parameters and reporting template for simulation of traffic.pdfISO IEC 8481 1996 Information technology — Telecommunications and information exchange between systems — DTE to DTE direct connections.pdfISO 19103 2024 Geographic information Conceptual schema language.pdfISO 6934-1 1991 Steel for the prestressing of concrete Part 1 General requirements.pdfGB-T 21690-2008 细木工带锯条 尺寸.pdfGB-T 28230-2011 膜过滤法测定入出境船舶压舱水中大肠菌群.pdfGB-Z 26214-2010 室外运动和区域照明的眩光评价.pdfGB-T 39170-2020 成型模 空心定位销.pdfGB-T 22028-2008 热浸镀锌螺纹 在内螺纹上容纳镀锌层.pdfGB-T 10168-2020 土方机械 挖掘装载机 术语和商业规格.pdfGB-T 21868.5-2008 颜料和体质颜料 评定分散性用的分散方法 第5部分 用自动平磨机分散.pdfGB-T 17669.2-1999 建筑石膏 结晶水含量的测定.pdfGB-T 42957-2023 氨基酸产品和添加剂预混合饲料中赖氨酸、蛋氨酸和苏氨酸含量的测定.pdfGB-T 4348.2-2014 工业用氢氧化钠 氯化钠含量的测定 汞量法.pdf
