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发明名称
MULTIFOCAL LENS
摘要
申请公布号
CA403265(A)
申请公布日期
1942.03.03
申请号
CAD403265
申请日期
申请人
THE UNIVIS CORPORATION
发明人
JACK RUPERT SILVERMAN
分类号
主分类号
代理机构
代理人
主权项
地址
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