Elektrodynamischer Lautsprecher mit Konusmembran,申请号DE1956G018766-传众专利搜索

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发明名称	Elektrodynamischer Lautsprecher mit Konusmembran
摘要
申请公布号	DE1094304(B)	申请公布日期	1960.12.08
申请号	DE1956G018766	申请日期	1956.01.11
申请人	PETER GRASSMANN	发明人	GRASSMANN PETER
分类号	H04R7/20	主分类号	H04R7/20
代理机构		代理人
主权项
地址

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