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==penveu== penveu is a product that adds interactivity to existing and installed projectors and displays. It allows users to interact with content (objects on the display and annotation) using a pen-like device. It was invented, designed, and manufactured in Texas. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Penveu」の詳細全文を読む スポンサード リンク
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