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发明名称
摘要
申请公布号
JPH0398898(U)
申请公布日期
1991.10.15
申请号
JP19900006214U
申请日期
1990.01.29
申请人
发明人
分类号
A63H3/33;G10L13/00;(IPC1-7):A63H3/33;G10L3/00
主分类号
A63H3/33
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代理人
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