Perfectionnements aux conducteurs de signalisation,申请号FRD674293-传众专利搜索

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发明名称	Perfectionnements aux conducteurs de signalisation
摘要
申请公布号	FR674293(A)	申请公布日期	1930.01.27
申请号	FRD674293	申请日期	1929.04.30
申请人	ELECTRICAL RESEARCH PRODUCTS INC	发明人
分类号	H01B11/14	主分类号	H01B11/14
代理机构		代理人
主权项
地址

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