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Apparatus for laying track
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Patent number 4,094,249
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Issue date Jun 13, 1978
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Franz Plasser Bahnbaumaschinen Industriegesellschaft m.b.H.
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Josef Theurer
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Track renewal method and apparatus
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Patent number 4,046,077
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Issue date Sep 6, 1977
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Franz Plasser Bahnbaumaschinen Industriegesellschaft m.b.H.
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Josef Theurer
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES