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E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
E02B3/10—Dams; Dykes; Sluice ways or other structures for dykes, dams, or the like
E02B3/102—Permanently installed raisable dykes
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FR966470D1948-05-111948-05-11 Improvement of embankments against floods or rising tides as well as elements for the construction of these embankmentsExpiredFR966470A (en)