|
US3416842A
|
|
Loading and unloading equipment
|
|
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|
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Method and apparatus for establishing a fixed support of a buoyant body in rough water
|
|
DE1223321B
|
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Setting machine for separating ore
|
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Ore separating apparatus
|
|
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|
|
Suction dredger installation, more particularly a towed dredger
|
|
DE1180686B
|
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Suction dredger
|
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Improvements in or relating to dredging plant
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GB851333A
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Improvements in or relating to suction and/or expulsion dredgers
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|
DE1162775B
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Ship or pontoon with a suction or spray pipe
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GB794547A
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Improvements in or relating to extensible pit-props
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GB659845A
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Improvements in dredging apparatus
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