3rd
1月
2007
下水道工事－小口径推進工事で複数の急曲線施工、400m長距離推進を実現できるミクロ工法のHPです。推進中も全路線を50mm以内の高精度で把握できる全界唯一の工法です。
ミクロ工法協会
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on 水曜日, 1月 3rd, 2007 at 16:46:27 and is filed under 工法.
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