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发明名称
摘要
申请公布号
JPH0420660(U)
申请公布日期
1992.02.20
申请号
JP19900058311U
申请日期
1990.06.01
申请人
发明人
分类号
G10L13/00;G04G13/02;G04G99/00;G10L13/04;G11B15/02;G11B20/02;(IPC1-7):G11B20/02;G04G1/00;G10L3/00
主分类号
G10L13/00
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代理人
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