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2023
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Invention
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Castor with pressure brake device.
A castor with pressure brake device includes a wheel stand; a... |
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2022
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Invention
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Power transistor conversion device. A power transistor conversion device comprising: a base frame... |
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2017
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Invention
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Battery assembly device with charging and discharging protection. A battery assembly device with ... |
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2016
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Invention
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High voltage (hv) impedance device with surface leakage proof configuration applied in hv divider... |
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2015
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Invention
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High impedance resistor device applied in high voltage environment. A high impedance resistor dev... |
