Procédé de fabrication des disques de soupapes redresseuses au sélénium,申请号FRD873862-传众专利搜索

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发明名称	Procédé de fabrication des disques de soupapes redresseuses au sélénium
摘要
申请公布号	FR873862(A)	申请公布日期	1942.07.22
申请号	FRD873862	申请日期	1941.07.16
申请人	SU:DDEUTSCHE APPARATE-FABRIK G. M. B. H.	发明人
分类号	H01L21/145	主分类号	H01L21/145
代理机构		代理人
主权项
地址

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