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发明名称
PROGRESSIVE MULTIFOCAL OPHTHALMIC LENSES
摘要
申请公布号
HK69689(A)
申请公布日期
1989.09.08
申请号
HK19890000696
申请日期
1989.08.31
申请人
SEIKO EPSON CORPORATION
发明人
TOSHIHIDE SHINOHARA
分类号
G02C7/06;G02B3/10;G02C7/02;(IPC1-7):G02C7/06
主分类号
G02C7/06
代理机构
代理人
主权项
地址
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