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发明名称
摘要
申请公布号
JPS5230929(Y1)
申请公布日期
1977.07.14
申请号
JP19730324674U
申请日期
1973.12.20
申请人
发明人
分类号
G06K15/14;G03G15/00;G03G15/22;(IPC1-7):G03G15/22
主分类号
G06K15/14
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