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发明名称
摘要
申请公布号
JPH0253099(U)
申请公布日期
1990.04.17
申请号
JP19880131020U
申请日期
1988.10.07
申请人
发明人
分类号
G10H1/18;G10H1/00;G10H1/053;(IPC1-7):G10H1/00
主分类号
G10H1/18
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代理人
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