Perfectionnements aux dispositifs à conductibilité asymétrique,申请号FRD848299-传众专利搜索

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发明名称	Perfectionnements aux dispositifs à conductibilité asymétrique
摘要
申请公布号	FR848299(A)	申请公布日期	1939.10.26
申请号	FRD848299	申请日期	1938.06.30
申请人	COMPAGNIE DES FREINS ET SIGNAUX WESTINGHOUSE	发明人
分类号	H01L25/07	主分类号	H01L25/07
代理机构		代理人
主权项
地址

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