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CN107645160A
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A kind of remote seabed HVDC electric power system
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A kind of cooling heat source structure under closed environment
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CN107275042A
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A kind of pressure-resistant isolating transformer of high frequency height insulation
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Small signal isolation transmission circuit
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A kind of step-up/step-down circuit
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A kind of staggered work step-up/step-down circuit
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A kind of Bidirectional up-down volage current transformer promptly drawn for rail vehicle
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A kind of two-way DC/DC Sofe Switch control system, method and the hybrid power system of port machine
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Simple limiting structure
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Novel power supply system of diesel locomotive and diesel locomotive
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Air guiding mechanism
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Air guiding system
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Bidirectional chopper
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