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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 20564.5-2022
Continuously cold rolled high strength steel sheet and strip for automobile—Part 5: Isotropic steel
GB/T 1481-2022
Metallic powders,excluding powders for hardmetals—Determination of compressibility in uniaxial compression
GB/T 41660-2022
The survey-evaluating method of energy utilization for refrigeration test systems
GB/T 41663-2022
Road vehicles—Brake lining friction materials—Scale inertia dynamometer test method
GB/T 223.63-2022
Iron, steel and alloy—Determination of manganese content—Sodium (potassium) periodate spectrophotometric method
GB/T 3555-2022
Test method for Saybolt color of petroleum products—Saybolt chromometer





