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Who invented the Microscope (Electron)?
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Who invented the Microscope?
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Who invented the Chlorine?
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Who invented the Spinning Jenny?
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Which company is ahead in Razor (Safety) innovations?
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What year was Typewriter invented and how?
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Which company is ahead in Electromagnetic Induction innovations?
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What year was Steam Engine invented and how?
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What year was Machine Gun invented and how?
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When and who invented the Electric Cooking Utensil?
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