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Earthworks business Registration
(82Seoul-02-259)
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Reinforced concrete work business
Registration
(82Seoul-10-231)
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Pavement work business Registration
(Jongno-99-16-3)
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Boring, Grouting work business
Registration
(Jongno-99-14-3)
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Plastering, Waterproofing, Masonry
work business
(Gangnam-04-03-09)
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Water supply
and Sewerage facilities
work business
(Jongno-02-13-01)
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Scaffold, Structure dismantle
work business
(Gangnam-04-07-07)
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Metal-structure, windows&doors
work business
(Gangnam-07-08-04)