SOUND GENERATION DRIVING CIRCUIT,申请号JP19890044885-传众专利搜索

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发明名称	SOUND GENERATION DRIVING CIRCUIT
摘要
申请公布号	JPH02223999(A)	申请公布日期	1990.09.06
申请号	JP19890044885	申请日期	1989.02.23
申请人	SEIKOSHA CO LTD	发明人	MACHIDA KOJI
分类号	G04G13/02;G10K9/12	主分类号	G04G13/02
代理机构		代理人
主权项
地址

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