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发明名称
Spectacle temple
摘要
申请公布号
US1810220(A)
申请公布日期
1931.06.16
申请号
US19280263047
申请日期
1928.03.20
申请人
UNIVERSAL OPTICAL CORPORATION
发明人
NELSON JOHN N.
分类号
G02C5/00;G02C5/14;G02C5/16
主分类号
G02C5/00
代理机构
代理人
主权项
地址
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