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发明名称
Procédé de fabrication d'éléments optiques en matières plastiques
摘要
申请公布号
FR1069739(A)
申请公布日期
1954.07.12
申请号
FRD1069739
申请日期
1952.12.18
申请人
L.O.S. (LENTILLES OPHTALMIQUES SPECIALES)
发明人
分类号
B29D11/00;G03G5/087
主分类号
B29D11/00
代理机构
代理人
主权项
地址
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