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NL8403722A
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Watercourse dredging system - pumps water into mixing chamber to limit spoil intake to amount which can be pumped
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EG16716A
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Container for ground material removed by a ground working device from the bottom of a water course
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BR8300543A
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Container for earth material taken from the background of a water course by an earth working device
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DK12083D0
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Container for materials removed from the bottom of a maintenance by machinery processing this bottom
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US4480569A
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Container for ground material removed by a ground working device from the bottom of a watercourse
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NL8103000A
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Holder for ground material removed from the bottom of a waterway by a soil processing device.
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NL7907470A
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Swallowing plow with knives and protrusions for leveling the bed of watercourses.
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