E02F3/46—Dredgers; Soil-shifting machines mechanically-driven with reciprocating digging or scraping elements moved by cables or hoisting ropes ; Drives or control devices therefor
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Engineering & Computer Science
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Mechanical Engineering
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Mining & Mineral Resources
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Civil Engineering
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General Engineering & Computer Science
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Structural Engineering
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Filling Or Emptying Of Bunkers, Hoppers, And Tanks
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