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发明名称
摘要
申请公布号
JPS57177196(U)
申请公布日期
1982.11.09
申请号
JP19810064599U
申请日期
1981.04.30
申请人
发明人
分类号
G04F3/06;A47L15/46;G04F3/00;(IPC1-7):G04F3/00
主分类号
G04F3/06
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代理人
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