PIEZO-ELECTRIC BUZZER DRIVING SYSTEM,申请号JP19810094719-传众专利搜索

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法人/股东/高管

发明名称	PIEZO-ELECTRIC BUZZER DRIVING SYSTEM
摘要
申请公布号	JPS57210394(A)	申请公布日期	1982.12.23
申请号	JP19810094719	申请日期	1981.06.19
申请人	RICOH KK	发明人	SAKANO YUKIO
分类号	G10K9/122;G10K9/12	主分类号	G10K9/122
代理机构		代理人
主权项
地址

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