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发明名称
RESONANCE FREQUENCY GENERATION SYSTEM FOR PIEZO-ELECTRIC BUZZER
摘要
申请公布号
JPS58105292(A)
申请公布日期
1983.06.23
申请号
JP19810204842
申请日期
1981.12.18
申请人
CASIO KEISANKI KK
发明人
YANAGAWA MIKIO
分类号
G06F15/02;G10K9/12;G10K9/122
主分类号
G06F15/02
代理机构
代理人
主权项
地址
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