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发明名称
Dispositif de fixation de verres correcteurs aux lunettes de protection
摘要
申请公布号
FR51455(E)
申请公布日期
1942.08.12
申请号
FRD51455
申请日期
1939.11.17
申请人
LES FRERES LISSAC
发明人
分类号
G02C9/00
主分类号
G02C9/00
代理机构
代理人
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