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 9409-1988
Specifications for colour TV demodulation equipment (1 TV+1 sound program) used in long-haul terres-trial analog radio-relay systems
GB/T 9411-1988
Performance requirements for airborne marker beacon receiver
GB/T 9408-1988
Specifications for colour TV modulation equipment (1 TV+1 sound program) used in long-haul terres-trial analog radio-relay systems
GB/T 9425-1988
Blank detail specification for semiconductor inte-grated circuit operational amplifiers
GB/T 9436-1988
Letter symbols of parameter for liquid crystal display devices
GB/T 9435-1988
Useful screen dimensions for color picture tubes
GB/T 9423-1988
Series and products for semiconductor TTL integrated circuits--Products of 54/74 ALS family
GB/T 9367-1988
General specification of flyback transformers for color broadcasting TV receivers
GB/T 9391-1988
Shipborne radar，technical and operation requirements--Method of testing and required test results
GB/T 9388-1988
Methods of measurement for wireless microphonesystems
GB/T 9390-1988
Terminology for navigation
GB/T 9389-1988
Sound transmission using infrared radiation
GB/T 9382-1988
Bayes method of reliability demonstration testing for colour broadcasting TV receiver
GB/T 9376-1988
Basic performance parameters for medium wave and shortwave AM broadcasting transmitters
GB/T 9375-1988
Listening tests on radio receiver and/or tape recorder
GB/T 9377-1988
Methods of measurement for broadcasting transmitters used in MW or SW band
GB/T 9379-1988
Subjective tests and assessment for broadcasting television receivers
GB/T 9363-1988
Information processing--9-Track， 12.7mm (0.5in) wide magnetictape for information interchange--Format and recording，using group coding at 246 cpmm(6250 cpi)
GB/T 9362-1988
Industrial real-time FORTRAN--Application for the control of industrial processes
GB/T 9374-1988
Basic parameters for sound broadcasting receivers
