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LED laser (5,5W power) close-up showing stacked diodes one on another.
2357 visits
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LED laser (5,5W power) close-up showing stacked diodes one on another.
2516 visits
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Obraz 1574
3010 visits
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Obraz 1575
1968 visits
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Świeca z wosku pszczelego w mosiężnym świeczniku.
3253 visits
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Obraz 1577
1934 visits
