发布日期:2013-08-23 实施日期:2013-08-23
实施日期:2012-12-05
Standard for the functioning of and interfaces among propulsion,friction brake,and train-borne master control on rail rapid transit vehicles
实施日期:1999-03-18
Information technology. Telecommunications and information exchange between systems. Local and metropolitan area networks. Specific requirements part 3:Carrier sense multiple access with collision dete...
中国标准分类号: L(电子元器件与信息技术) ; L78(数据通信) | 实施日期:2008-09-26
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