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发明名称
Spectacle frame
摘要
申请公布号
US2094236(A)
申请公布日期
1937.09.28
申请号
US19340718130
申请日期
1934.03.30
申请人
PAUL HEMPEL
发明人
HEMPEL PAUL
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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