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(Dam) wall element for load-bearing, watertight (dam) walls and watertight (dam) wall liners
(Dam) wall element for load-bearing, watertight (dam) walls and watertight (dam) wall liners
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机译：（坝）墙面元件，用于承重，水密（坝）墙和水密（坝）墙衬
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摘要
The invention relates to a cavity-type (dam) wall element, provided with sealed head ends and a double locking joint of such shape and position that these enclose a small space which can economically and simply be provided with a water-sealing means, thus allowing load-bearing (dam) walls and self-supporting dam wall liners to be assembled which are completely watertight. IMAGE
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