Schallmembran,申请号DENDATV026756D-传众专利搜索

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发明名称	Schallmembran
摘要
申请公布号	DE595574(C)	申请公布日期	1934.04.16
申请号	DENDATV026756D	申请日期
申请人	HANS VOGT	发明人
分类号	H04R7/08	主分类号	H04R7/08
代理机构		代理人
主权项
地址

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