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发明名称
摘要
申请公布号
JPS62120718(U)
申请公布日期
1987.07.31
申请号
JP19860187153U
申请日期
1986.12.04
申请人
发明人
分类号
G02B13/04;G02B15/16;(IPC1-7):G02B15/16
主分类号
G02B13/04
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代理人
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