MICROPHONE DIAPHRAGM INCLUDING SPACER MEANS BETWEEN DIAPHRAGM AND VOICE COIL,申请号USD3513270-传众专利搜索

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发明名称	MICROPHONE DIAPHRAGM INCLUDING SPACER MEANS BETWEEN DIAPHRAGM AND VOICE COIL
摘要
申请公布号	US3513270(A)	申请公布日期	1970.05.19
申请号	USD3513270	申请日期	1966.05.09
申请人	SENNHEISER ELECTRONIC	发明人	PAUL-FRIEDRICH WARNING
分类号	H04R7/12;H04R9/04;(IPC1-7):H04R9/04	主分类号	H04R7/12
代理机构		代理人
主权项
地址

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