المعلم الصغير - تنويه/جهاز الاوفر هيد بروجكتر هو جهاز يستخدم في عرض الشفافيات وموجود في اغلب المدارس اما دات شو او ما يعرف بالبروجكتر هو جهاز عرض ملفات الفيديو ..... الشرائح.. | Facebook
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LED Over Head Projector, Power Consumption: 50 - 150 W, Brightness: 0-1000 Lumens at Rs 4850/unit in Ambala
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