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KR20030062096A
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A structure for crossing part in rail turnout
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KR20030062095A
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A structure for sleeper arrangement in rail diverge
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KR20030062091A
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Remote divergence track guard system using wire/wireless in railroad turnout
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KR20030062093A
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A Guide track of light weight electric railway turnout
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KR20030062094A
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A locking apparatus for rail turnout
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KR20030062092A
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Flash Butt Welding Method for Mn crossing
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KR20010097474A
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Apparatus of expansion connect in railway rails
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KR20010097475A
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Fastening apparatus for prevent derailed of train
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KR20010097473A
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Apparatus for combine of guard rails
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KR20010019843A
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A device for expansion and contraction joint of rail for railway
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KR100268159B1
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A diverge system for rail of rail way
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KR100268160B1
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A device for fastening rail of rail way
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KR0172063B1
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Rail joint
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