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Track work machine
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Patent number 5,709,001
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Issue date Jan 20, 1998
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Franz Plasser Bahnbaumaschinen-Industriegesellschaft m.b.H
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Hannes Felber
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Ballast plow
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Patent number 5,435,081
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Issue date Jul 25, 1995
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Franz Plasser Bahnbaumaschinen-Industriegesellschaft
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Felber Hannes
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES