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NL7905558A
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Tractor-mountable and detachable carrier and manover for a tool.
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NL7900403A
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Dredger propulsion and stabilisation system - has driving roller and centring pin on arms pressed against bottom
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NL7700205A
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Dredger for clearing water channels - has trolley moving along base of trench with cutter wheel feeding waste back to transporter leading upwards
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NL7609618A
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Ditch bottom and slope cleaning equipment - has mechanism guided in members adjustable for angle to treat bottom and side simultaneously
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GB1541693A
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Ditcher and a method of cleaning ditches
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DE2559528A1
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Slow incineration or gasification of rice husks - to obtain ash with high silicic acid content, furfurol, synthesis gas and steam
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DE2529528A1
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DEVICE FOR THE PROCESSING OF WATER COURSES AND THEIR EMBOSSES
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NL7503893A
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Fish feeding mechanism in ponds - comprises boat with hopper and pipe to dispensing head
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NL7411202A
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Tractor-mounted ditch cleaner - has slewing boom with scraper on frame portion protruding to one side
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NL7411203A
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Mud dredging vessel - has wheel on derricking boom at stern running along bottom to maintain course
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