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- 2019-05-24 ISO/TS 19807-2 "Nanotechnologies -- Magnetic nanomaterials -- Part 2: Specification of characteristics and measurements for nanostructured superparamagnetic beads for nucleic acid extraction"
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GB/T 18115.12-2006
稀土金属及其氧化物中稀土杂质化学分析方法 钇中镧、铈、镨、钕、钐、铕、钆、铽、镝、钬、铒、铥、镱和镥量的测定
Chemical analysis methods of rare earth impurities in rare earth metals and their oxides Yttrium-Determination of lanthanum, cerium, praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium and lut
GB/T 10655-2003
Polymeric materials,cellular flexible--Determination of air flow permeability
GB/T 9634.1-2002
Ferrite cores--Guide on the limits of surface irregularities--Part 1:General specification
GB/T 20270-2006
Information security technology Basis security techniques requirement for network
GB/T 18904.3-2002
半导体器件 第12-3部分:光电子器件 显示用发光二极管空白详细规范
Semiconductor devices--Part 12-3:Optoelectronic devices--Blank detail specification for light-emitting diodes--Display application
GB/T 9457-1988
Hexagon slotted and castle nuts,style l--Fine pitch thread--Product grades A and B