Procédé de fabrication de cathodes à couche d'oxyde,申请号FRD834157-传众专利搜索

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发明名称	Procédé de fabrication de cathodes à couche d'oxyde
摘要
申请公布号	FR834157(A)	申请公布日期	1938.11.15
申请号	FRD834157	申请日期	1938.02.23
申请人	VEREINIGTE GLU:HLAMPEN UND ELEKTRIZITATS AKTIENGESELLSCHAFT	发明人
分类号	H01J9/04	主分类号	H01J9/04
代理机构		代理人
主权项
地址

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