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发明名称
摘要
申请公布号
JP2557687(Y2)
申请公布日期
1997.12.10
申请号
JP19900094356U
申请日期
1990.09.06
申请人
发明人
分类号
G10H1/053;(IPC1-7):G10H1/053
主分类号
G10H1/053
代理机构
代理人
主权项
地址
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