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Ç¥ÁعøÈ£ [ÆóÁö] TTAK.KO-10.1220-Part2 ±¸Ç¥ÁعøÈ£
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¿µ¹®Ç¥Áظí Underground Information Data Model- Part 2: Underground Facilities
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¿µ¹®³»¿ë¿ä¾à This standard specifies the description method for the underground facilities model related to the underground information data model.
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