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Position: Search valid to be valid superseded to be superseded abolished to be abolished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 13187-2012 Magnetic tape sound recording and reproducing systems—General conditions and requirements $210.00 via email in 1~3 business day valid
GB/T 13188-1991 General specification for mechanical tuner of TV broadcasting receiver $1544.00 via email in 1~5 business day abolished
GB/T 13425-1992 Measurement for 24-channels submarine coaxial cable carrier telephone equipment $660.00 via email in 1~3 business day abolished
GB/T 13427-1992 Performance requirement of the delta modulation equipment $420.00 via email in 1~3 business day valid
GB/T 13428-1992 Methods of measurement for the delta modulation equipment $180.00 via email in 1~3 business day valid
GB/T 13429-1992 Measurement methods for 120-channel submarine coaxial cable carrier telephone equipment $330.00 via email in 1~3 business day abolished
GB/T 13430-1992 Performance requirements for 24-channel submarine coaxial cable carrier telephone equipment $330.00 via email in 1~3 business day abolished
GB/T 13431-1992 Performance requirements for 120 - channel submarine coaxial cable carrier telephone equipment $150.00 via email in 1~3 business day abolished
GB/T 13503-1992 Generic specification for digital microwave radio relay communication equipment $240.00 via email in 1~3 business day valid
GB/T 13504-1992 Diagnostic rhyme test (DRT) method of Chinese articulation $220.00 via email in 1~3 business day abolished
GB/T 13504-2008 Diagnostic rhyme test(DRT) method of Chinese articulation $240.00 via email in 1~3 business day superseded
GB/T 13504-2008/XG1-2016 Diagnostic Rhyme Test (DRT) method of Chinese articulation, includes Amendment 1 $315.00 via email in 1~5 business day valid
GB/T 13581-1992 Minimm performance requirements on high fidelity head - Phones $140.00 via email in 1~3 business day valid
GB/T 13615-2009 Electromagnetic environment protection requirements for earth stations $225.00 via email in 1~3 business day valid
GB/T 13616-2009 Electromagnetic environment protection requirements for digital radio-relay stations $210.00 via email in 1~3 business day valid
GB/T 13619-1992 Interference calculation methods for radio-relay systems $390.00 via email in 1~5 business day abolished
GB/T 13619-2009 Interference calculation methods for digital radio-relay systems $480.00 via email in 1~3 business day valid
GB/T 13620-1992 Determination of coordination area and predication methods of interference between satellite communication earth station and terrestrial microwave station $670.00 via email in 1~5 business day superseded
GB/T 13620-2009 Determination of coordination area and predication methods of interference between satellite communication earth station and terrestrial microwave station $660.00 via email in 1~3 business day valid
GB/T 13621-1999 series and radio-frequency channel arrangement and equipment main technical specifications for 100~1 000MHz radio relay communication systems $240.00 via email in 1~3 business day valid
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