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发明名称
MULTIFOCAL LENS
摘要
申请公布号
CA351768(A)
申请公布日期
1935.07.23
申请号
CAD351768
申请日期
申请人
DANIEL D. HUBBELL
发明人
DANIEL D. HUBBELL
分类号
主分类号
代理机构
代理人
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