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经营范围
发明名称
Improvements in spectacle frames
摘要
申请公布号
GB589681(A)
申请公布日期
1947.06.26
申请号
GB19450007031
申请日期
1945.03.20
申请人
DOUGLAS EDWARD CULVER
发明人
分类号
G02C1/06
主分类号
G02C1/06
代理机构
代理人
主权项
地址
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