China GB GB Standards Search System

GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Purchase services.

China "GB" GB Standards List:

Standard Code	GB Standard Title	Standard Class
GB/T 32.3-1988	Hexagon bolts with wire holes on head--Fine pitch thread--Product grade A and B	China National Standards
GB/T 32.2-1988	Hexagon bolts with wire holes on head--Reduced shank--Product grade B	China National Standards
GB/T 32.1-1988	Hexagon bolts with wire holes on head--Product grade A and B	China National Standards
GB/T 31.3-1988	Hexagon bolts with split pin hole on shank--Fine pitch thread--Product grade A and B	China National Standards
GB/T 31.2-1988	Hexagon bolts with split pin hole on shank--Reduced shank--Product grade B	China National Standards
GB/T 56-1988	Hexagon thick nuts	China National Standards
GB/T 9434-1988	Methods of measurement of gas discharge tubes for overvoltage protection	China National Standards
GB/T 9433-1988	General specification of gas discharge tubes for overvoltage protection	China National Standards
GB/T 9432-1988	Blank detail specification for industrial heating tetrode	China National Standards
GB/T 9430-1988	Methods of test of luminance stability for fluorescent display tubes	China National Standards
GB/T 9425-1988	Blank detail specification for semiconductor inte-grated circuit operational amplifiers	China National Standards
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	China National Standards
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	China National Standards
GB/T 9413-1988	Methods of measurement of modems for wide band using 60～108 kHz group band circuits	China National Standards
GB/T 9412-1988	Modems for date transmission at 48 kilobits per second using 60～108 kHz group band circuits	China National Standards
GB/T 9411-1988	Performance requirements for airborne marker beacon receiver	China National Standards
GB/T 9391-1988	Shipborne radar，technical and operation requirements--Method of testing and required test results	China National Standards
GB/T 9390-1988	Terminology for navigation	China National Standards
GB/T 9389-1988	Sound transmission using infrared radiation	China National Standards
GB/T 9388-1988	Methods of measurement for wireless microphonesystems	China National Standards
GB/T 9367-1988	General specification of flyback transformers for color broadcasting TV receivers	China National Standards
GB/T 9382-1988	Bayes method of reliability demonstration testing for colour broadcasting TV receiver	China National Standards
GB/T 9379-1988	Subjective tests and assessment for broadcasting television receivers	China National Standards
GB/T 9377-1988	Methods of measurement for broadcasting transmitters used in MW or SW band	China National Standards
GB/T 9376-1988	Basic performance parameters for medium wave and shortwave AM broadcasting transmitters	China National Standards
GB/T 9375-1988	Listening tests on radio receiver and/or tape recorder	China National Standards
GB 9378-1988	Safety requirements for video-audio and pulse equipment of broadcasting television studio system	China National Standards
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)	China National Standards
GB/T 9403-1988	The reflection grayscale test chart	China National Standards
GB/T 9402-1988	Minimum performance requirements on high fidelity microphones	China National Standards

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