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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...

Control board


Branimir Sandalski - Chairman
Federation of the Scientific Engineering Unions and Technical University of Sofia


Verginia Yoncheva
Ministry of Finance


Prof. Georgi Kjuchukov
University of Forestry

13 Jun 2016