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发明名称
摘要
申请公布号
JPH085458(Y2)
申请公布日期
1996.02.14
申请号
JP19870150255U
申请日期
1987.09.30
申请人
发明人
分类号
G03B17/00;(IPC1-7):G03B17/00
主分类号
G03B17/00
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