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Keywords: extraction
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Proceedings Papers

Paper presented at the The First ISOPE European Offshore Mechanics Symposium, August 20–22, 1990
Paper Number: ISOPE-E-90-037
... ABSTRACT This paper presents a brief information about ecologically pure techniques of developing shelf hard mineral extraction. In some cases these techniques are closely connected with well-known ones (dredging) but in most oases the methods in question, as the authors expect, have...

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