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(11) | EP 1 533 447 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Prefabricated enclosing element |
(57) A prefabricated enclosing element (10, 110) comprises a foot (11, 111) for steady
support on the ground and designed to be laid underground; standing up in one piece
from the support foot is a vertical structure (12, 112) defining the enclosure wall.
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