GB/T 34520.9-2021
连续碳化硅纤维测试方法 第9部分:碳含量
Test methods of continuous silicon carbide fibers—Part 9:Carbon content
- 实施日期
- 2021-12-01
- ICS 分类
- 49.020
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
找到 70,494 条
GB/T 34520.9-2021
Test methods of continuous silicon carbide fibers—Part 9:Carbon content
GB/T 31838.7-2021
Solid insulating materials—Dielectric and resistive properties—Part 7:Resistive properties(DC method)—Measurement of volume resistance and volume resistivity at elevated temperatures
GB/T 31838.6-2021
Solid insulating materials—Dielectric and resistive properties—Part 6:Dielectric properties(AC method)—Relative permittivity and dielectric dissipation factor (frequencies 0.1Hz~10MHz)
GB/T 31838.5-2021
Solid insulating materials—Dielectric and resistive properties—Part 5:Resistive properties(DC method)—Volume resistance and volume resistivity of impregnation and coating materials
GB/T 31070.3-2021
Building intercom systems—Part 3: Technical requirements for specific applications
GB/T 29716.3-2021
Mechanical vibration and shock—Signal processing—Part 3: Methods of time-frequency analysis
GB/T 29317-2021
Terminology of electric vehicle charging/battery swap infrastructure
GB/T 28951-2021
Forest certification in China—Forest management
GB/T 28897-2021
Steel-plastic compound pipes and fittings for fluid service
GB/T 28775-2021
Synchronous belt drives—Pulley with T trapezoidal profile system
GB/T 28774-2021
Synchronous belt drives—Belts with T trapezoidal profile system
GB/T 28543-2021
Noise measurement method on power capacitors
GB/T 27800-2021
Determination of the life for static sealing rubber products
GB/T 27021.3-2021
Conformity assessment—Requirements for bodies providing audit and certification of management systems—Part 3: Competence requirements for auditing and certification of quality management systems
GB/T 27021.2-2021
Conformity assessment—Requirements for bodies providing audit and certification of management systems—Part 2: Competence requirements for auditing and certification of environmental management systems
GB/T 25672-2021
Hammer drill bit and shell hammer drill bit
GB/T 25301-2021
Resistance welding equipment—Transformers—General specifications applicable to all transformers
GB/T 25195.4-2021
Cranes—Graphical symbols—Part 4:Jib cranes
GB/T 24817.2-2021
Cranes—Control layout and characteristics—Part2 : Mobile cranes
GB/T 24810.2-2021
Cranes—Limiting and indicating devices—Part 2:Mobile cranes