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BACKGROUND REPRODUCING DEVICE

by POPP, Hermann
Year of Publication 28.05.2025
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Patent
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Background display device

by Popp, Hermann
Year of Publication 25.06.2024
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Patent
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Background display device

by Popp, Hermann
Year of Publication 21.05.2024
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Patent
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Background display system

by Koppetz, Michael
Year of Publication 28.01.2025
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Patent
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BLUETOOTH PROGRAMMABLE LED SIGN

by Liu, Joseph K
Year of Publication 26.01.2023
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Patent