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Center line follower
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Patent number 4,363,274
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Issue date Dec 14, 1982
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Canron Corporation
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Raymond R. Lund
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Machine for changing rails
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Patent number 4,274,334
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Issue date Jun 23, 1981
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Canron Corporation
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Raymond R. Lund
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Spike driver
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Patent number 4,131,067
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Issue date Dec 26, 1978
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Canron Railgroup
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George R. Newman
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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