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发明名称
摘要
申请公布号
JPH0561739(U)
申请公布日期
1993.08.13
申请号
JP19920002829U
申请日期
1992.01.29
申请人
发明人
分类号
G02B7/10;G03B17/02;(IPC1-7):G03B17/02
主分类号
G02B7/10
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代理人
主权项
地址
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