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经营范围
发明名称
LENS
摘要
PURPOSE:Ultraviolet shielding effect is enhanced, uneven hues are eliminated and wearing feel is improved by impregnating a coloring agent only in the surface layer of a synthetic resin lens added with an ultraviolet absorber.
申请公布号
JPS52151035(A)
申请公布日期
1977.12.15
申请号
JP19760068079
申请日期
1976.06.10
申请人
SUWA SEIKOSHA KK
发明人
GOTOUDA NOBORU
分类号
G02B1/10
主分类号
G02B1/10
代理机构
代理人
主权项
地址
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