DIRECTIVE DYNAMIC MICROPHONE UNIT,申请号JP19920010725-传众专利搜索

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发明名称	DIRECTIVE DYNAMIC MICROPHONE UNIT
摘要
申请公布号	JPH05207582(A)	申请公布日期	1993.08.13
申请号	JP19920010725	申请日期	1992.01.24
申请人	MATSUSHITA ELECTRIC IND CO LTD	发明人	HOJO MASAYOSHI
分类号	H04R1/22;H04R1/38	主分类号	H04R1/22
代理机构		代理人
主权项
地址

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