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发明名称
摘要
申请公布号
JPH0561709(U)
申请公布日期
1993.08.13
申请号
JP19920002586U
申请日期
1992.01.28
申请人
发明人
分类号
G02B6/38;(IPC1-7):G02B6/38
主分类号
G02B6/38
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代理人
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地址
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