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Railroad freight car
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Patent number 4,986,707
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Issue date Jan 22, 1991
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Waggon Union GmbH
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Karl-Dieter Reemtsema
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B61 - RAILWAYS
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Freight car construction
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Patent number 4,569,293
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Issue date Feb 11, 1986
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Waggon Union GmbH
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Rolf Kramer
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B60 - VEHICLES IN GENERAL
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3520257
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Patent number 3,520,257
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Issue date Jul 14, 1970
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B61 - RAILWAYS
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3342523
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Patent number 3,342,523
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Issue date Sep 19, 1967
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B60 - VEHICLES IN GENERAL
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2949867
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Patent number 2,949,867
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Issue date Aug 23, 1960
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B61 - RAILWAYS
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2674208
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Patent number 2,674,208
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Issue date Apr 6, 1954
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B61 - RAILWAYS
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2201737
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Patent number 2,201,737
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Issue date May 21, 1940
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B61 - RAILWAYS