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Apparatus for collecting cones
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Rotary working member drive
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Sowing machine
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Method of curbing the spread of forest fires
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Safety device to mounted implements with working members
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Machinery set for working soil on slopes
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Altimeter
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Composition for protecting seedling roots
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Apparatus for extinguishing forest fire
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Forest-planting machine
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Attachment to planting machines for embedding seedlings into furrows
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