发明名称 SINGLE-PIECE GLASS FOR SPECTACLES
摘要 The invention concerns a single-piece glass for spectacles comprising a central part (2) with large radius of curvature and two side parts (3, 4) with smaller radius of curvature, at the end of which are fixed means for maintaining such spectacles on a wearer. The invention is applicable in the field of spectacles particularly fancy ones.
申请公布号 WO9818042(A1) 申请公布日期 1998.04.30
申请号 WO1997FR01876 申请日期 1997.10.20
申请人 MARTINANT DE PRENEUF, JEAN 发明人 MARTINANT DE PRENEUF, JEAN
分类号 G02C7/02;G02C11/02;(IPC1-7):G02C7/02 主分类号 G02C7/02
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