GY/T 229. 4-2008.Technical spec ifications and methods of measurement for digital terrestrial telev ision broadcasting transmitters.GY/T 229. 4规定了符合GB 20600的地面数字电...
GA 407.1-2003.Code of import vehicle manufacturer and brand-Part 1 : Code of manufacturer.1范围GA 407.1规定了在公安交通管理机关注册登记的进口机动车制造厂名...
YD/T 1588.2-2006.1范围YD/T 1588的YD/T 1588.2规定了光缆链路中光纤接头损耗的测量方法、测量系统、测量程序和结果。YD/T 1588.2适用二氧化硅系单模...
YD/T 1544.4-2007.Technical Specification for Uu Interface of 2GHz WCDMA Digital Cellular Mobile Communication Network Physical Layer Part 4: Spreading and Modulation.1范围YD/T 154...
YD/T 1544.3-2007.Technical Specification for Uu Interface of 2GHz WCDMA Digital Cellular Mobile Communication Network Physical Layer (Phase I) Part 3: Multiplexing and Channel Codin...
YD/T 1544.1-2007.Technical Specification for Uu Interface of 2GHz WCDMA Digital Cellular Mobile Communication Network Physical Layer Part 1: General Aspects.1范围YD/T 1544.1规定了...
GY/T 229. 3-2008.Specification for transport stream multiplexing and interfaces in terrestrial digital television.GY/T 229. 3规定了传输流在地面数字电视系统中的复用和...
YD/T 1543.6-2007.Technical Specification for 2GHz WCDMA Digital Cellular Mobile Communication Network lu Interface (Phase I) Part 6: User Plane.1范围YD/T 1543.6规定了2GHz WCDMA数...
GA 406-2002.Retro-reflective markings of carriage.1范围GA 406规定了载货类机动车车身反光标识材料的技术要求、试验方法、检验规则.包装,标志、运输和...
GA 402-2002.Scrapping regulation of 1211 extinguishers.1范圃GA 402规定了1211灭火器报废的评定方法。GA 402适用于手提式1211灭火器和推车式1211灭火器(以下...
