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KR100213674B1
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Soft switching dc chopper circuit
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KR100213675B1
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Cable support for overhead distribution assembling pole
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KR100213671B1
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A reducing ripple current circuit for dc/dc converter
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KR100225769B1
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Single-phase small uninterruptible power supply
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KR100213672B1
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A switching circuit for soft switching step-down converter with high power factor
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KR100237145B1
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Fe amorphous soft-magnetic material and manufacturing method thereof
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KR100231886B1
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Electric element infiltration device
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KR100231887B1
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A testing system for high-frequency magnetic characteristics
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KR100207020B1
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A snubber circuit for being no loss and to improve circuit for input-factor of a dc/dc converter
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KR100199507B1
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A device to improving quality for ac power source
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KR100213673B1
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TL-1223 TL0.7 +ÑßPB0.2+ÑÔI0.2+-ÑÔSR1.6+ÑÒBA0.4+-ÑõCA2.1+-ÑõCU3.0+-ABSOLENOX CORE COMPOSITION AND THE METHOD OF MANUFACTURING COMPOSITE CORE
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KR100199506B1
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A zero voltage/current switching circuit for reduced ripple current of the full-bridge dc/dc converter
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KR100199508B1
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A zero-crossing voltage/current circuit for full-bridge dc/dc converter
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KR100232296B1
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Superconductive wire
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KR100228416B1
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Complete current-voltage measuring apparatus using light
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KR100213457B1
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A 3-level auxiliary resonant commutated pole inverter with zero-voltage switching
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KR100228263B1
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Zero voltage switching circuit of switched reluctance motor driving
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KR0177874B1
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Nonsinusoidal High Frequency Large Current Measuring Device Using Photocurrent Sensor
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KR0181678B1
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High critical temperature superconductor current lead and its manufacture
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KR100201752B1
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Making device for super conductive wire
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