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发明名称
摘要
申请公布号
JPS6274209(U)
申请公布日期
1987.05.12
申请号
JP19850165794U
申请日期
1985.10.30
申请人
发明人
分类号
G02B7/10;G02B23/18;(IPC1-7):G02B7/10
主分类号
G02B7/10
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代理人
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