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发明名称
摘要
申请公布号
JPH04116818(U)
申请公布日期
1992.10.20
申请号
JP19890117385U
申请日期
1989.10.05
申请人
发明人
分类号
G02C5/00;(IPC1-7):G02C5/00
主分类号
G02C5/00
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代理人
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地址
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