GB8301266D0
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Apparatus for postioning a drag nozzle carried by a suction tube
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NL8004022A
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Method and apparatus for laying pipelines on land.
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NL7908959A
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Suction dredging installation.
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NL7906378A
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Method for applying a fiber on the bottom underwater and apparatus for applying this method
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NL7905233A
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Under water soil research.
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ES481560A1
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Synchronous hydraulic drive mechanism. (Machine-translation by Google Translate, not legally binding)
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DE2920887A1
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HYDRAULIC IN-SPEED DRIVE DEVICE
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NL7808014A
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Unsaving vessel.
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US4242815A
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Suction pipe position control
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NL7801531A
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Dredger pipe hinged coupling - has inner ball shaped fitting and connecting flange for pipe union with front flange connecting piece bolted to it
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NL7710009A
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Rotary cutter dredger mounting on shaft - has intermediate ring of material softening at low temp. with embedded heater
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GB1557625A
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Rotatable joints for pipeline sections
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NL7701070A
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Method and apparatus for dredging soft soil.
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GB1554298A
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Underwater dumping
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NL7607909A
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Bearing structure for a dredging chain.
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US4083132A
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Draghead for suction dredger
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ES443654A1
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Barrena system for excavator. (Machine-translation by Google Translate, not legally binding)
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AU8530275A
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Method and apparatus for conveying dredged material froma floating suction dredger toan end station
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NL7416509A
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Anchor pole for a dredging vessel.
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GB1470308A
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Dredging at large depths
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