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
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- 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 43590.502-2024
Laser display devices—Part 5-2: Optical measuring methods of speckle contrast
GB/T 21711.201-2024
Electromechanical elementary relays—Part 2-1: Reliability—Procedure for the verification of B10 values
GB/Z 43768-2024
Information and documentation—Statistics and quality issues for web archiving
GB/T 17737.113-2024
同轴通信电缆 第1-113部分: 电气试验方法 衰减常数试验
Coaxial communication cables—Part 1-113:Electrical test methods—Test for attenuation constant
GB/T 22084.2-2024
含碱性或其他非酸性电解质的蓄电池和蓄电池组 便携式密封蓄电池和蓄电池组 第2部分:金属氢化物镍电池
Secondary cells and batteries containing alkaline or other non-acid electrolytes—Secondary sealed cells and batteries for portable applications—Part 2: Nickel-metal hydride
GB/T 14598.1871-2024
量度继电器和保护装置 第187-1部分:差动保护的功能要求 电动机、发电机和变压器比率制动差动保护和差动速断保护
Measuring relays and protection equipment—Part 187-1: Functional requirements for differential protection—Restrained and unrestrained differential protection of motors, generators and transformers
GB/T 43744-2024
General technical requirements for aquaculture environmental monitoring system