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GB/T 23595.1-2009 Test methods of rare earth yellow phosphor for white LED lamps - Part 1: Determination of spectrum property - 英文版 |
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GB/T 17113-2008 The technical requirements and test methods for cordless telephone sets - 英文版 |
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GB/T 9984-2008 Test methods for industrial sodium tripolyphosphate - 英文版 |
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GB/T 21646-2008 Technical specification and testing methods for analog public radio interphone on 400MHz band - 英文版 |
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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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