NF F01-306-1999 Railway applications Fatigue resistance of structural bonding zones Test methods and testing condition 《轨道交通 结构结合处的耐疲劳性能 试验方法和试验条件》.pdf

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ITU-R RAPPORT M 766-2 FRENCH-1990 Feasibility of frequency sharing between the GPS and other services《全球定位系统和其他服务之间的频率共享的可行性》.pdf

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