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发明名称
摘要
申请公布号
JPS4716395(U)
申请公布日期
1972.10.25
申请号
JP19710020960U
申请日期
1971.03.24
申请人
发明人
分类号
G09F15/00;A47F7/00;A47F7/14;G09F3/08;G09F7/18;G09F13/00;(IPC1-7):A47F7/00
主分类号
G09F15/00
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