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发明名称
Oftalmische lens met toenemende sterkte.
摘要
申请公布号
NL192057(C)
申请公布日期
1997.01.07
申请号
NL19810005865
申请日期
1981.12.28
申请人
HOYA LENS CORPORATION
发明人
分类号
G02C7/06;G02B3/10;G02C7/02;(IPC1-7):G02B3/10
主分类号
G02C7/06
代理机构
代理人
主权项
地址
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