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Position: Search valid to be valid superseded to be superseded abolished to be abolished
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YD/T 1886-2009 Security Requirements and Test Specification for SoC in Mobile Terminal 390.0 via email in 1~3 business day superseded
YDC 031-2004 Technical Requirements for the CDMA-based Digital Trunking Mobile Communication System 615.0 via email in 1~8 business day valid
YD/T 1302-2004 National No.7 signalling system technical requirement - GSM mobile telephone user part (MTUP) 750.0 via email in 1~3 business day valid
YDC 030-2004 Technical Requirements for the GSM-based Digital Trunking Mobile Communication System 615.0 via email in 1~8 business day superseded
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