FI (list display)

  • E21C50/00
  • Obtaining minerals from underwater, not otherwise provided for (suction dredgers or component parts thereof E02F 3/88; equipment for conveying or separating excavated material E02F 7/00; dippers G01N 1/12) [5] HB CC 2D065
  • E21C50/02
  • .dependent on the ship movements (vessels or floating structures adapted for special purposes B63B 35/00) [5] HB CC 2D065
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