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摘要
申请公布号
JPS5499537(U)
申请公布日期
1979.07.13
申请号
JP19770174355U
申请日期
1977.12.24
申请人
发明人
分类号
G06K17/00;G06F17/30;G09F9/00;G09F15/02;G09G3/00;G09G3/04;(IPC1-7):G06K17/00;G06F15/40
主分类号
G06K17/00
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