Emblem wallpaper on Desktop in the section Technologies / page 21

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Multi-colored logo and bright splashes of apple

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Opera logo on a blue background

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Windows 9 nine on a black background

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Microsoft Windows Floating Sign

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Nvidia logo on a black background

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Android sign in gray on a dark background

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Apple logo on a blue background

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The logo of the opera browser on a red background

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Windows 7 logo on a black background

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Apple logo with multicolored backlight

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The apple logo attached on the tape

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New Windows logo design