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经营范围
发明名称
Perfectionnements aux lunettes
摘要
申请公布号
FR62079(E)
申请公布日期
1955.06.02
申请号
FRD62079
申请日期
1951.10.29
申请人
发明人
MERCIER ROBERT-LOUIS-MARCIE
分类号
G02C1/02;G02C1/04
主分类号
G02C1/02
代理机构
代理人
主权项
地址
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