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发明名称
摘要
申请公布号
JPH02111887(U)
申请公布日期
1990.09.06
申请号
JP19890018509U
申请日期
1989.02.20
申请人
发明人
分类号
G07G1/06;(IPC1-7):G07G1/06
主分类号
G07G1/06
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