发明名称 SINGLE-PIECE GLASS FOR SPECTACLES
摘要 <p>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.</p>
申请公布号 WO1998018042(A1) 申请公布日期 1998.04.30
申请号 FR1997001876 申请日期 1997.10.20
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