Système de commande de train,申请号FRD39038-传众专利搜索

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发明名称	Système de commande de train
摘要
申请公布号	FR39038(E)	申请公布日期	1931.08.26
申请号	FRD39038	申请日期	1930.09.02
申请人	ASSOCIATED TELEPHONE & TELEGRAPH COMPANY	发明人
分类号	B61L3/12	主分类号	B61L3/12
代理机构		代理人
主权项
地址

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