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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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Bulgarian title

Изисквания за енергийна ефективност на домашни хладилници, замразители и комбинирани хладилници, захранвани с електроенергия

English title

Energy efficiency requirements for household electric regfrigerators, freezers and combinations thereof

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