Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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QX 4-2000 Technical specifications for lightning protection at the meteorological offices (stations) 270.0 via email in 1~3 business day superseded
GB/T 14733.6-2005 Terminology for telecommunication— Space radiocommunication 345.0 via email in 1~3 business day valid
YD/T 870-1996 Requirements and Test Method for Capability of Subscriber Terminal Equipment to Withstand Overvoltage and Overcurrent 60.0 via email in 1~3 business day valid
YD/T 1643-2007 Technical Specification and Testing Methods for Compatibility between Wireless Communication Devices and Hearing Aids 900.0 via email in 1~3 business day abolished
QX 3-2000 Technical specifications for protecting the meteorological information system from lightning electromagnetic impulse 790.0 via email in business day valid
GB/T 14733.12-1993 Terminology for telecommunications-Optical communication 600.0 via email in 1~8 business day abolished
YD 2005-1993 1720.0 via email in 1~10 business day valid
QX 2-2000 Technical specifications for lightning protection at china new generation weather radar station 210.0 via email in 1~3 business day valid
YD/T 754-1995 General Rules for Electrostatic Protection of Communication Rooms 150.0 via email in 1~3 business day abolished
QX 4-2015 Technical specifications for lightning protection at the meteorological offices (stations) 360.0 via email in business day valid
YD/T 1633-2007 Test Methods of Electromagnetic Compatibility on-Site 280.0 via email in 1 business day abolished
YD/T 2583.1-2018 Electromagnetic compatibility requirement and measurement methods for celluar mobile communication equipment Part 1:base station and ancillary equipment via email in business day valid
GB/T 14733.5-1993 for telecommunications - Telecommunications using discrete signals, telegraphy, facsimile and data communication 1050.0 via email in 1~3 business day valid
YD/T 638.15-1994 Type Designation for Data Communication Equipment 60.0 via email in 1~3 business day valid
GBJ 47-1983 Acoustics-sound-abserbin coefficient measurement by method of reverbration room (Trial) 240.0 via email in 1~3 business day abolished
GB/T 14733.8-1993 for telecommunications - Telephony 360.0 via email in 1~3 business day valid
GB/T 7400.11-1999 Digital television terminology 240.0 via email in 1~3 business day abolished
GB 12338-1990 Methods of measurement for monochrome universal CCTV camera 60.0 via email in 1~3 business day abolished
YD/T 638.3-1998 The naming rule of types of telecommunication power supply 120.0 via email in 1~3 business day abolished
YDB 161-2015 Technical specification on architecture of smart TV application service platform via email in business day valid
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