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发明名称
摘要
申请公布号
JPH0652364(B2)
申请公布日期
1994.07.06
申请号
JP19890024310
申请日期
1989.02.01
申请人
发明人
分类号
G03B17/08;(IPC1-7):G03B17/08
主分类号
G03B17/08
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