说明:收录90万 73个行业的国家标准 支持批量下载
GB-T 23602-2009 钛及钛合金表面除鳞和清洁方法
ISO 21338 2010 Water quality — Kinetic determination of the inhibitory effects of sediment, other solids and coloured samples on the light emission of Vibrio fischeri (kinetic luminescent bacteria test).pdfISO 8143 2010 Thermal insulation products for building equipment and industrial installations Calcium silicate products.pdfISO 2961 1974 Aluminium oxide primarily used for the production of aluminium —.pdfISO 9650-1 2022 Small craft — Inflatable liferafts — Part 1 Type 1 and type 2.pdfISO 17225-7 2021 Solid biofuels — Fuel specifications and classes — Part 7 Graded non-woody briquettes.pdfISO 13053-2 2011 Quantitative methods in process improvement — Six Sigma — Part 2 Tools and techniques.pdfISO 14272 2016 Resistance welding Destructive testing of welds Specimen dimensions and procedure for cross tension testing of resistance spot and embossed projection welds.pdfISO 2817 1999 Tobacco and tobacco products — Determination of silicated residues insoluble in hydrochloric acid.pdfISO 12637-4 2008 Graphic technology — Vocabulary — Part 4 Postpress terms.pdfISO 24598 2019 Welding consumables Solid wire electrodes tubular cored electrodes and electrode-flux combinations for submerged arc welding of creep-resisting steels Classification.pdfGB-T 24671-2023 农业灌溉设备 承压灌溉系统图形符号.pdfGB-T 42690-2023 造船 甲板机械 绞缆筒外形.pdfGB-T 24137-2009 木塑装饰板.pdfGB-T 28026.2-2018 轨道交通 地面装置 电气安全、接地和回流 第2部分 直流牵引供电系统杂散电流的防护措施.pdfGB-T 24956-2010 石油天然气工业 钻柱设计和操作限度的推荐作法.pdfGB-T 13236-2011 石油和液体石油产品 储罐液位手工测量设备.pdfGB-T 11956-2008 高速复制录音磁带.pdfGB-T 21230-2014 声学 职业噪声暴露的测定 工程法.pdfGB-T 3099.2-2004 紧固件术语 盲铆钉.pdfGB-T 38693-2020 燃气燃烧器和燃烧器具用安全和控制装置 特殊要求 热电式熄火保护装置.pdf
