说明:收录100万 73个行业的国家标准 支持批量下载
GB-T 22235-2008 液体粘度的测定
ISO 23551-9 2022 Safety and control devices for gas burners and gas-burning appliances — Particular requirements — Part 9 Mechanical gas thermostats.pdfISO 14404-3 2017 Calculation method of carbon dioxide emission intensity from iron and steel production — Part 3 Steel plant with electric arc furnace (EAF) and coal-based or gas-based dir.pdfISO 7805-2 1987 Industrial plate screens — Part 2 Thickness below 3 mm.pdfISO 1120 2012 Conveyor belts Determination of strength of mechanical fastenings Static test method.pdfISO 20871 2018 Footwear — Test methods for outsoles — Abrasion resistance.pdfISO 14227 2001 Small craft — Magnetic compasses.pdfISO 5227 2022 Traditional Chinese medicine — Safety controls for cupping devices.pdfISO 349 2020 Hard coal — Audibert-Arnu dilatometer test.pdfISO 7404-4 2017 Methods for the petrographic analysis of coals — Part 4 Method of determining microlithotype, carbominerite and minerite composition.pdfISO TS 31657-2 2020 Plain bearings — Hydrodynamic plain journal bearings under steady-state conditions — Part 2 Functions for calculation of multi-lobed journal bearings.pdfGB-T 18700.6-2005 远动设备和系统 第6-2部分 与ISO标准和ITU-T建议 兼容的远动协议 OSI 1至4层基本标准的使用.pdfGB-T 7216-2009 灰铸铁金相检验.pdfGB-T 24293-2009 数控恒温水嘴.pdfGB-T 17708-1999 报价请求报文.pdfGB-T 5869-2010 救生衣灯.pdfGB-T 43037-2023 可信性分析技术 佩特里网技术.pdfGB 11120-2011 涡轮机油.pdfGB-T 20255.6-2008 硬质合金化学分析方法 火焰原子吸收光谱法 一般要求.pdfGB-T 6850-2003 电影 电影生胶片和涂磁胶片片盒标签 最低限度内容规定.pdfGB-T 19074-2003 工业通风机 通风机的机械安全装置 护罩.pdf
