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KR100660012B1
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Breakwater which have circulation seawater and overflowing prevention
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KR100651231B1
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Structure of pc concrete pile
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KR100660011B1
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Structure of breakwater for seashore bank
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KR100657180B1
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The loss prevention retaining wall of a seashore bank
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KR100660013B1
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Waterproofing structure for underwater construction
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KR100712372B1
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Base sand dropping machine for protecting underwater building
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KR100703610B1
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A sea waste removing establishment
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KR100650481B1
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Installation structure of keep per-manently building for overflow interception of breakwater
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KR100648092B1
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Installation structure of small ship wharf building establishment for seashore
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KR100650480B1
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Prefabricated wave absorbing block using breakwater
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KR100648460B1
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Installation structure of prefabricated shore protection block
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KR100648095B1
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Installation structure of embankment construction for preservation of ecological system
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