DE625950C
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Motorized agricultural machine for deep cultivation
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GB373489A
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Rotary agricultural tillers
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DE556108C
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Tiller with tools arranged on the drive shaft with the interposition of helical springs wound around it
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GB246505A
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Steering devices for self-propelled agricultural machines, with motor driven or drawn implements
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GB244483A
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Improvements in cultivating machines
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DE424647C
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Steering device for self-propelled agricultural machines with motor-driven or pulled tools
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DE426904C
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Motor floor milling machine for milling row crops
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GB120731A
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Improved Self-propelled Agricultural Implement for Cultivating, Mowing, Grinding and the like.
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GB111114A
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An Improved Tilling Implement.
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GB191226593A
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Improvements in or relating to Apparatus for Mechanical Tillage.
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DE521813C
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Tool for tiller
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