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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners.
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| navigate by keyword : beam blue cathode cro dual electron electronic equipment oscilloscope phosphor radio ray scanning servicing television test tube vacum valve vintage wireless |
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| Vintage dual channel valve based oscilloscope for radio and TV repair with blue phosphor screen photographed on a white background |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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