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Elements for lining the sides or the bed from waterways, dikes and similar hydraulic works
Elements for lining the sides or the bed from waterways, dikes and similar hydraulic works
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机译:衬砌水道,堤防和类似水利工程的侧面或床身的元件
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摘要
There are described elements for lining the sides or bed from waterways, dikes and similar hydraulic works, which are formed by base elements which have means (1, 2, 5) whereby they may be connected together with a possibility of hinging.
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