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发明名称
PROGRESSIVE MULTI-FOCUS LENS AND ITS MANUFACTURE
摘要
申请公布号
JPH03196119(A)
申请公布日期
1991.08.27
申请号
JP19890337300
申请日期
1989.12.26
申请人
HOOYA JOHO SYST KK
发明人
KIKUCHI YOSHIHIRO
分类号
G02C7/06
主分类号
G02C7/06
代理机构
代理人
主权项
地址
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