| 摘要 |
<p>Swimming spectacle lenses in a swimming spectacle frame (1) in plastic or rubber where the lens is gripped in grooves (2, 3), the lenses consist of an outer glass plate (5) an inner glass plate (6) an Al edge composite (sic) (4) and an rare gas filler (sic)(7), and the lenses (5, 6) are fixed to the Al edge composite (4) by means of a polysulfide or polyurethane seal.</p> |
