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发明名称
BRIDGE FOR ATTACHING AUXILIARY LENSES
摘要
<p>An auxiliary spectacle apparatus is provided wherein auxiliary lenses have a mechanical bridge fastener for releasably engaging the bridge portion of the primary frames in a manner which provides security of attachment in all directions.</p>
申请公布号
WO2002037171(A1)
申请公布日期
2002.05.10
申请号
CA2001001538
申请日期
2001.10.31
申请人
发明人
分类号
主分类号
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