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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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Number of entries (Data is updated on a monthly basis): 48014
GB/T 905-1994
Dimension,shape,weight and tolerance for cold-drawn round,square and hexagonal steels
GB/T 15881-1995
电子设备用电位器 第3部分:空白详细规范 旋转式精密电位器 评定水平E
Potentiometers for use in electronic equipment--Part 3:Blank detail specification--Rotary precision potentiometers--Assessment level E
GB/T 223.62-1988
Methods for chemical analysis of iron,steel and alloy--The butyl acetate extraction photometric method for the determination of phosphorus content
GB/T 10062.3-2003
Calculation of load capacity of bevel gear--Part 3:Calculation of tooth root strength
GB/T 2432-1981
Gasoline--Determination of tetraethyl lead content--Complexometric titration method
Number of entries (Data is updated on a monthly basis): 48014