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发明名称
摘要
申请公布号
JPS62173717(U)
申请公布日期
1987.11.05
申请号
JP19860191834U
申请日期
1986.12.15
申请人
发明人
分类号
G02B15/16;A42B1/24;A42B3/00;A42B3/04;G02B23/08;G02B27/01;G02B27/02;(IPC1-7):G02B27/02
主分类号
G02B15/16
代理机构
代理人
主权项
地址
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