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(11) | EP 2 278 110 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Universal ladder |
(57) A universal ladder (1), comprising two ramps (2,3) connected at the top by two articulated
joints (4,5) each of which in turn comprises a male shell (4a) and a female shell
(4b) reciprocally hinged and made of cast aluminum alloy, inside each shell an insert
made of highly-resistant material being provided.
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