MEMBRAN FUER DYNAMISCHE ELEKTRO AKUSTISCHE SCHALLWANDLER,申请号DE19691948879-传众专利搜索

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发明名称	MEMBRAN FUER DYNAMISCHE ELEKTRO AKUSTISCHE SCHALLWANDLER
摘要
申请公布号	DE1948879(B2)	申请公布日期	1971.12.09
申请号	DE19691948879	申请日期	1969.09.24
申请人		发明人
分类号	H04R1/22;H04R7/12;(IPC1-7):H04R1/20	主分类号	H04R1/22
代理机构		代理人
主权项
地址

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