Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
GB/T 11956-1989 High-speed duplicate audio tape $180.00 via email in 1~3 business day abolished
GB/T 12010.7-2010 Plastics—Poly(vinyl alcohol) (PVAL) materials—Part 7:Determination for sodium hydroxide contents $80.00 via email in 1~3 business day valid
GB/T 12046-1989 Designation of radio emissions and determination of necessary bandwidths $250.00 via email in 1~3 business day abolished
GB/T 12047-1989 Multiprogramme still picture broadcasting system $260.00 via email in 1~3 business day abolished
GB/T 12058-1989 Listening tests on loudspeakers $1264.00 via email in 1~5 business day superseded
GB/T 12060-1989 Sound system equipment explanation of general terms and calculation methods $220.00 via email in 1~3 business day abolished
GB/T 12060.1-2017 Sound system equipment-Part 1:General $250.00 via email in 1~3 business day valid
GB/T 12060.11-2012 Sound system equipment—Part 11:Application of connectors for the interconnection of sound system equipment $270.00 via email in 1~3 business day valid
GB/T 12060.16-2017 Sound system equipment-Part 16:Objective rating of speech intelligibility by speech transmission index $750.00 via email in 1~3 business day valid
GB/T 12060.21-2025 Sound system equipment—Part 21: Acoustical (output-based) measurements $1065.00 via email in 1~10 business day to be valid
GB/T 12060.3-2011 Sound system equipment - Part 3: Methods of measurement on audio amplifiers $840.00 via email in 1~3 business day valid
GB/T 12060.4-2012 Sound system equipment—Part 4:Methods of measurement for microphones $540.00 via email in 1~3 business day valid
GB/T 12060.5-2011 Sound system equipment - Part 5: Methods of measurement for main characteristics of loudspeakers $420.00 immediately valid
GB/T 12060.7-2013 Sound System Equipment - Part 7: Methods of Measurement on Headphones and Earphones $600.00 immediately valid
GB/T 12060.9-2011 Sound system equipment—Part 9:Methods of measurement for artificial reverberation,time delay and frequency shift equipment $210.00 via email in 1~3 business day valid
GB/T 12119-1989 Bank based test method of the operational performance of marine radar $340.00 via email in 1~3 business day abolished
GB/T 12165-1998 requirements and testing methods for cassette tape recorders $120.00 via email in 1~3 business day abolished
GB/T 12171-1990 Specification for TDM/FDM60-channel transmultiplexing equipments used in the telecommunication network $450.00 via email in 1~3 business day abolished
GB/T 12182-1990 General specification of secondary surveillance radar for air traffic control $120.00 via email in 1~3 business day abolished
GB/T 12185-1990 General specification for exciter used to MW AM broadcast transmitter $120.00 via email in 1~3 business day abolished
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