| 摘要 |
The present invention concerns an antitheft device for glasses. The device comprises a body that can be fixed to an arm of a pair of glasses and is equipped with a stop surface for making contact against the lens of the same pair of glasses. Advantageously, the stop surface is movable with respect to the body of the device for being brought into contact with the lens at a subsequent time from that of the fastening of the device on the arm.
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