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Eyeglass temples with improved handling economy
Eyeglass temples with improved handling economy
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机译:眼镜寺庙改善处理经济
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摘要
Spectacle frame with two spectacle temples (BH, BN), the hinges of the temples having no suspension, characterized in that a device with high rotational friction on one hinge (H) and a device with low friction on the other hinge (N) is arranged.
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