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经营范围
发明名称
CONTACT LENS MATERIAL AND CONTACT LENS.
摘要
申请公布号
EP0461270(B1)
申请公布日期
1994.11.30
申请号
EP19910901551
申请日期
1990.12.28
申请人
HOYA CORPORATION
发明人
YOKOYAMA, YUUICHI;IWAMOTO, HIDETOSHI
分类号
G02B1/04;(IPC1-7):G02C7/04
主分类号
G02B1/04
代理机构
代理人
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地址
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