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مناقصات

   # المقالات 
1 مناقصة رقم 2/2020 والخاصة بتقديم خدمات مكتب استشاري بشأن المولدات التجارية
 
Breakthrough in Thin-Film Solar Cells
Scientists at Johannes Gutenberg University Mainz (JGU)  have come out with positive news about increased efficiency of thin-film solar cells. As we know that scientists are trying to increase the efficiency of the solar cells so that they can be considered as
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