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发明名称
摘要
申请公布号
JPH0769524(B2)
申请公布日期
1995.07.31
申请号
JP19890062978
申请日期
1989.03.15
申请人
发明人
分类号
G02C5/00;G02C5/02;G02C11/02;(IPC1-7):G02C5/02
主分类号
G02C5/00
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