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发明名称
élément de charnière pour montures de lunettes en matière plastique
摘要
申请公布号
FR990860(A)
申请公布日期
1951.09.27
申请号
FRD990860
申请日期
1949.07.15
申请人
发明人
BOSCOVITCH JUDAH
分类号
G02C5/22
主分类号
G02C5/22
代理机构
代理人
主权项
地址
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