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发明名称
Spectacle hinge construction and method for making the same
摘要
申请公布号
US3339224(A)
申请公布日期
1967.09.05
申请号
US19640394665
申请日期
1964.09.08
申请人
ART-CRAFT OPTICAL COMPANY, INC.
发明人
NEARY FRANCIS B.
分类号
G02C5/22
主分类号
G02C5/22
代理机构
代理人
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地址
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