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发明名称
Eyeglass hinges
摘要
申请公布号
US3104416(A)
申请公布日期
1963.09.24
申请号
US19610160688
申请日期
1961.12.08
申请人
BARKER ENGINEERING CORPORATION
发明人
BARKER VIRGIL D.
分类号
G02C5/22
主分类号
G02C5/22
代理机构
代理人
主权项
地址
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