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发明名称
Amélioration de la vision des objets sans le secours de verres
摘要
申请公布号
FR968076(A)
申请公布日期
1950.11.17
申请号
FRD968076
申请日期
1948.06.18
申请人
发明人
CHAISE JULES-CHARLES
分类号
G02B23/12
主分类号
G02B23/12
代理机构
代理人
主权项
地址
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