说明:收录25万 73个行业的国家标准 支持批量下载
GB-T 17832-2021 银合金首饰 银含量的测定 溴化钾容量法(电位滴定法)
ISO 3890-2 2009 Milk and milk products — Determination of residues of organochlorine compounds (pesticides) — Part 2 Test methods for crude extract purification and confirmation.pdfISO IEC 8613-6 1994 Information technology — Open Document Architecture (ODA) and Interchange Format Character content architectures.pdfISO 9418 1998 Aerospace — Rivets, solid, in aluminium or aluminium alloys — Procurement specification.pdfISO 5189 2023 Fine ceramics (advanced ceramics advanced technical ceramics) Methods for chemical analysis of metal impurities in silicon dioxide powders using inductively coupled plasma-optical emiss.pdfISO-IEC 10021-5 1999 Information technology -- Message Handling Systems (MHS) Message store Abstract service definition.pdfISO 7051 2011 Cross-recessed raised countersunk (oval) head tapping screws.pdfISO 17053 2005 Steel and iron Determination of oxygen Infrared method after fusion under inert gas.pdfISO TR 22979 2017 Ophthalmic implants — Intraocular lenses — Guidance on assessment of the need for clinical investigation of intraocular lens design modifications.pdfISO 9018 2015 Destructive tests on welds in metallic materials — Tensile test on cruciform and lapped joints.pdfISO IEC 19763-10 2023 Information technology — Metamodel framework for interop.pdfGB-T 13516-2023 桃罐头质量通则.pdfGB-T 24118-2009 纺织品 线迹型式 分类和术语.pdfGB-T 33645-2017 钢、镍及镍合金的激光-电弧复合焊接工艺评定试验.pdfGB-T 23681-2009 制冷系统和热泵 系统流程图和管路仪表图 绘图与符号.pdfGB-T 8296-2008 天然生胶和胶乳 锰含量的测定 高碘酸钠光度法.pdfGB-T 4256-2004 直柄和莫氏锥柄扩孔钻.pdfGB-T 19917-2005 小艇 艇主手册.pdfGB-T 889.1-2015 1型非金属嵌件六角锁紧螺母.pdfGB-T 28565-2012 高压交流串联电容器用旁路开关.pdfGB-T 17601-2008 耐火材料 耐硫酸侵蚀试验方法.pdf
