China Test methods for pho GB Standards Search Result |
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1. Ready translated GB standards  and Chinese version GB Standards, you can purchase directly in the web page; After receive your payment, we will send the GB Standards PDF file to your Email within
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2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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GB/T 14634.4-2002 Test methods of rare earth three-band phosphors for fluorescent lamps--Determination of particle size distribution by electric sensing zone technique - 英文版 |
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GB/T 5444-1985 The test methods for the technical specifications of subscriber line signalling for automatic telephone switching network - 英文版 |
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GB/T 5443-1985 The test methods for the technical specifications of ringing and tone for automatic telephone switchingnetwork - 英文版 |
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GB/T 5442-1985 The test methods for the technical specifications of inband pulsing single frequency line signalling system for automatic telephone switching network - 英文版 |
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GB/T 3971.3-1983 The test methods for the technical specifications of multi-frequency register signalling for telephone auto-matic switching network - 英文版 |
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