KR20070107315A
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Building type saltern
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KR20070107300A
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Building type multipurpose lighthouse
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KR100735830B1
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Building type breeding ground
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KR20040087384A
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Wind force automobile
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KR20040085388A
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Power generation device using solar energy, magnetic force and wind force
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Power generation device using force of wind
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Power generator by utilizing cycle
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A wind power generator used for an air-purifying apparatus
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KR20030025653A
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Wind power generator
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A wind power generator used for an air-purifying apparatus
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KR20020044829A
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A magnet-type wind power generator
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KR20020037652A
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A separation of specific gravity ore separator
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KR20020034747A
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Generating apparatus using a fan and a lever
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