Perfectionnements aux systèmes de transmission avec interrupteurs et relais rapides,申请号FRD704690-传众专利搜索

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发明名称	Perfectionnements aux systèmes de transmission avec interrupteurs et relais rapides
摘要
申请公布号	FR704690(A)	申请公布日期	1931.05.23
申请号	FRD704690	申请日期	1930.10.24
申请人	WESTINGHOUSE ELECTRIC AND MANUFACTURING COMPANY	发明人
分类号	H02H1/00	主分类号	H02H1/00
代理机构		代理人
主权项
地址

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