Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished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 6832-1986 Methods of measurement on headphones 210.0 via email in 1~3 business day abolished
GB 11455-1989 Hearing aid equipment not entirely worn on the listener 45.0 via email in 1~3 business day valid
GB 11453-1989 Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions 120.0 via email in 1~3 business day valid
GB/T 10240-1988 Specifications for the editing and production of prog-ramme source for subjective assessment of sound quali-ty of electro-acoustic products 90.0 via email in 1~3 business day valid
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