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发明名称
摘要
申请公布号
JPS58120994(U)
申请公布日期
1983.08.17
申请号
JP19820017748U
申请日期
1982.02.09
申请人
发明人
分类号
G12B11/02;(IPC1-7):G12B11/02
主分类号
G12B11/02
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