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发明名称
Method for making fused multifocal lenses
摘要
申请公布号
US2963823(A)
申请公布日期
1960.12.13
申请号
US19560575068
申请日期
1956.03.30
申请人
BAUSCH & LOMB OPTICAL COMPANY
发明人
OHLIGER LEWIS P.
分类号
C03B23/22
主分类号
C03B23/22
代理机构
代理人
主权项
地址
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