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发明名称
Improvements in or relating to spectacle frames
摘要
申请公布号
GB424850(A)
申请公布日期
1935.03.01
申请号
GB19330024356
申请日期
1933.09.01
申请人
ROBERT JAMES FLEMING;J. & R. FLEMING LIMITED
发明人
分类号
G02C5/12
主分类号
G02C5/12
代理机构
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