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发明名称
摘要
申请公布号
JP2576344(Y2)
申请公布日期
1998.07.09
申请号
JP19920020337U
申请日期
1992.03.04
申请人
发明人
分类号
G02B6/30;(IPC1-7):G02B6/30
主分类号
G02B6/30
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代理人
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地址
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