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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
posphorus |
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| navigate by keyword : computers crt development devices electrical electricity electronics engineering innovation invention lab laboratory oscilloscope parts posphorus screen technology tubes vacuum valves |
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| Vacuum tube used in an old analog oscilloscope in the lab |
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Stockphotos.ro (c) 2024. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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