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申请公布号
JPS52137737(U)
申请公布日期
1977.10.19
申请号
JP19760046094U
申请日期
1976.04.15
申请人
发明人
分类号
G03B21/11;G03B31/02;G06F17/30;G06K19/00;G11B23/44;(IPC1-7):G06F15/40
主分类号
G03B21/11
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