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KR100579618B1
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A median strip for absorbing shock
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KR100585818B1
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Gate for emergency car vsing road
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KR100584083B1
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Guard rail for impact absorption using road
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KR20030050549A
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Reinforcing Method and Structure for Boundary Part Concrete Pavement
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KR20030050546A
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Steel pipe pile for supporting a bridge
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KR20030050547A
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Panel for Bulwark Wall of Bridge and Decorating Structure for Bulwark Wall of Bridge using the Same
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KR20030037799A
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Dehumidifier for bridge
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KR20030037796A
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Dehumidifier for bridge
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KR20030037798A
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Dehumidifier for bridge
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KR20030037797A
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Dehumidifier for bridge
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KR20010105961A
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Device for designing the road line-shape including an egg-shaped line automatically
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