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经营范围
发明名称
Perfectionnements aux lunettes et analogues
摘要
申请公布号
FR1332633(A)
申请公布日期
1963.07.19
申请号
FR19626942639
申请日期
1962.06.05
申请人
BERTHET-BONDET
发明人
分类号
G02C1/08
主分类号
G02C1/08
代理机构
代理人
主权项
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