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open book with lightbulb, concept new knowledge, understanding wisdom in study, creative idea, thin line symbol on white background - editable stroke vector illustration
Lightbulb icon in a flat design in black color. Vector illustration eps10
Education doodle icons set vector isolated. Collection of cute hand-drawn educational symbols. School sketch. Trophy cup, graduation cap, light bulb as symbol of knowledge.
Idea vector banner light bulb and speech bubble. Vector isolated illustration. Idea concept illustration. Creative idea vector design. Lamp idea design. EPS 10
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Flat Bulb Icon for Business and Creative Innovation idea vector illustration isolated on transparent background for web and user interface

Free stock iconsidea bulb (389)