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发明名称
摘要
申请公布号
JPS6090420(U)
申请公布日期
1985.06.20
申请号
JP19830098246U
申请日期
1983.06.25
申请人
发明人
分类号
G02B25/00;A61F9/00;A61H7/00;A61N2/08;G02B11/00;G02C5/00;(IPC1-7):G02C5/00
主分类号
G02B25/00
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代理人
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