News
- 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"
- 2018-09-07 Cooperation, the key to the future
- 2016-11-15 Sino-German City-to-City Standardization Cooperation Seminar
Links
- BAM - Federal Institute for Materials Research and Testing
- DIN Media - DIN Media GmbH
- BMWK - Federal Ministry for Economic Affairs and Climate Action
- DIN - Deutsches Institut für Normung
- PTB - Physikalisch-Technische Bundesanstalt
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GB/T 20441.8-2025
电声学 测量传声器 第8部分:测定工作标准传声器自由场灵敏度的比较法
Electroacoustics—Measurement microphones—Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison
GB/T 45815-2025
Requirements of data interchange among logistics information service providers
GB/T 45047-2024
Earth-moving machinery—Battery electric wheel loaders—Technical requirements