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发明名称
摘要
申请公布号
JPS647365(U)
申请公布日期
1989.01.17
申请号
JP19870100965U
申请日期
1987.07.02
申请人
发明人
分类号
G06K7/00;G06K13/06;(IPC1-7):G06K7/00
主分类号
G06K7/00
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代理人
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