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Who invented rheostat?
asked Nov 28, 2019 by rheostat (380 points)
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Who invented resistor?
asked Nov 28, 2019 by resistor (2.6k points)
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Who invented logic gates?
asked Nov 28, 2019 by inventor (240 points)
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Who invented the grommet?
asked Nov 28, 2019 by grommets (560 points)
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