ELECTRICALLY DRIVEN ELECTROACOUSTIC EXCHANGE,申请号JP19880176228-传众专利搜索

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发明名称	ELECTRICALLY DRIVEN ELECTROACOUSTIC EXCHANGE
摘要
申请公布号	JPH0227899(A)	申请公布日期	1990.01.30
申请号	JP19880176228	申请日期	1988.07.16
申请人	SHICOH ENG CO LTD	发明人	MIYAO OSAMI
分类号	H04R13/00	主分类号	H04R13/00
代理机构		代理人
主权项
地址

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