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Wherever you look you can find a standard!
Seeing better. This depends not only on the glasses used, but also on the spectacle frames. Today, the respective requirements, test methods, design and concepts are s...

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Standards downloaded online are sold at discount prices.

Number Amount Single price Total  
БДС EN 3-1:2000 / English 29.17 BGN 29.17 BGN Delete Delete
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