Wechselstromgespeiste lichtelektrische Schalteinrichtung, bei der eine Photozelle das Gitter einer Verstaerkerroehre steuert,申请号DE1933A071991D-传众专利搜索

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发明名称	Wechselstromgespeiste lichtelektrische Schalteinrichtung, bei der eine Photozelle das Gitter einer Verstaerkerroehre steuert
摘要
申请公布号	DE638722(C)	申请公布日期	1936.11.21
申请号	DE1933A071991D	申请日期	1933.12.08
申请人	ALLGEMEINE ELEKTRICITAETS-GESELLSCHAFT	发明人
分类号	H01J40/14	主分类号	H01J40/14
代理机构		代理人
主权项
地址

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