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发明名称
摘要
申请公布号
JPS5643829(Y2)
申请公布日期
1981.10.14
申请号
JP19770160635U
申请日期
1977.11.30
申请人
发明人
分类号
G09F1/08;A47F10/00;G09F1/12;G09F7/18;(IPC1-7):G09F1/12
主分类号
G09F1/08
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