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发明名称
摘要
申请公布号
JPH0467620(U)
申请公布日期
1992.06.16
申请号
JP19900110293U
申请日期
1990.10.22
申请人
发明人
分类号
G02C7/08;G02B25/00;G02C9/02;(IPC1-7):G02C9/02
主分类号
G02C7/08
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代理人
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