ELEKTRISCHES MEGAPHON.,申请号DE195300T3565U-传众专利搜索

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发明名称	ELEKTRISCHES MEGAPHON.
摘要
申请公布号	DE1660855(U)	申请公布日期	1953.08.06
申请号	DE195300T3565U	申请日期	1953.05.06
申请人	RAPHAEL MARCEL TURPIN;MARCEL ACHILLE LEGER;DR.-ING. F. MAYER	发明人	RAPHAEL MARCEL TURPIN;MARCEL ACHILLE LEGER;DR.-ING. F. MAYER
分类号		主分类号
代理机构		代理人
主权项
地址

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