GB/T 16821-2007
通信用电源设备通用试验方法
General test methods of power supply equipments for telecommunications
- 实施日期
- 2007-09-01
- ICS 分类
- 33.140
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 26 条
GB/T 16821-2007
General test methods of power supply equipments for telecommunications
GB/T 17311-1998
Standard volume indicators
GB/T 17312-1998
Random-incidence and diffuse-field calibration of sound level meters
GB/T 3241-1998
Octave-band and fractional-octave-band filters
GB/T 17182-1997
Peak programme level meters
GB/T 15845.5-1995
Performance requirements of audiovisual terminals--Video code for audiovisual services at P×64kbit/s
GB/T 9403-1988
The reflection grayscale test chart
GB/T 7614-1987
An artificial ear of wide band type for the calibration of earphones used in audiometry
GB/T 3175.4-1987
Transparency flesh tone test card
GB/T 3175.3-1987
Transparency colour bar test card
GB/T 3175.2-1987
Reflection flesh tone test card
GB/T 3175.1-1987
Reflection colour bar test card
GB/T 6996.5-1986
High resolution test chart of transparencies for television
GB/T 6996.10-1986
Quality of distribution test chart of transparencies for television
GB/T 6996.9-1986
Registration test chart B of transparencies for television
GB/T 6996.8-1986
Registration test chart A of transparencies for television
GB/T 6996.7-1986
Amplitude response test chart of transparenciesfor television
GB/T 6996.4-1986
High-frequency test chart of transparencies for television
GB/T 6996.11-1986
Circular zone test chart of transparencies for television
GB/T 6996.3-1986
Linear test chart B of transparencies for television