OET @ Intersolar 2021

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Voltaro 2021

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OET’s 85th TIF Participation in the Press

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OET @ 85th TIF

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85th Thessaloniki International Fair

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OET’s NANOTEXNOLOGY 2021 participation in the Greek Press

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NANOTEXNOLOGY 2021

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NANOTEXNOLOGY 2021 Press Conference

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2nd “Smart Solar Bus Station” at the municipality of Neapoli

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OET Featured on Greek Channel ERT O3 (Omicron Three) Show

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OET Featured on Greek Channel TV100 Smart Economy Show

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OET’s 10th Conference & Exhibition on FPEs partitipation in the Greek Press

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