DRAIN SHEET AND WALL SURFACE STRUCTURE USING THE SAME

PROBLEM TO BE SOLVED: To provide a drain sheet that does not cause damage to a drainage function, because a back-filling material does not penetrate into the backside.SOLUTION: A drain sheet A of the present invention comprises a water conveyance part 10 for guiding water and discharging it, and an...

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Bibliographische Detailangaben
Hauptverfasser:	SAITO YUJI, IDEKURA TAKASHI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SHAFTS TUNNELS
Online-Zugang:	Volltext bestellen
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