Durch Photozellen gesteuerte Relaisschaltung.,申请号ATD158491-传众专利搜索

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发明名称	Durch Photozellen gesteuerte Relaisschaltung.
摘要
申请公布号	AT158491(B)	申请公布日期	1940.04.10
申请号	ATD158491	申请日期	1937.09.24
申请人	WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY	发明人
分类号		主分类号
代理机构		代理人
主权项
地址

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