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Procedure for laying railway tracks
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Patent number 10,612,195
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Issue date Apr 7, 2020
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Ferrovial Agroman, S.A.
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Fernando María López Bueno
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3451349
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Patent number 3,451,349
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Issue date Jun 24, 1969
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3260218
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Patent number 3,260,218
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Issue date Jul 12, 1966
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2991725
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Patent number 2,991,725
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Issue date Jul 11, 1961
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2950687
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Patent number 2,950,687
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Issue date Aug 30, 1960
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2696971
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Patent number 2,696,971
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Issue date Dec 14, 1954
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2586282
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Patent number 2,586,282
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Issue date Feb 19, 1952
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2344368
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Patent number 2,344,368
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Issue date Mar 14, 1944
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2188819
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Patent number 2,188,819
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Issue date Jan 30, 1940
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1990285
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Patent number 1,990,285
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Issue date Feb 5, 1935
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1957147
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Patent number 1,957,147
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Issue date May 1, 1934
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1955548
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Patent number 1,955,548
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Issue date Apr 17, 1934
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1925304
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Patent number 1,925,304
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Issue date Sep 5, 1933
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1836753
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Patent number 1,836,753
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Issue date Dec 15, 1931
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1790090
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Patent number 1,790,090
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Issue date Jan 27, 1931
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1727914
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Patent number 1,727,914
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Issue date Sep 10, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1700295
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Patent number 1,700,295
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Issue date Jan 29, 1929
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1676982
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Patent number 1,676,982
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Issue date Jul 10, 1928
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1637459
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Patent number 1,637,459
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Issue date Aug 2, 1927
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1617539
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Patent number 1,617,539
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Issue date Feb 15, 1927
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1598212
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Patent number 1,598,212
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Issue date Aug 31, 1926
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1522788
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Patent number 1,522,788
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Issue date Jan 13, 1925
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1511387
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Patent number 1,511,387
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Issue date Oct 14, 1924
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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1492634
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Patent number 1,492,634
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Issue date May 6, 1924
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES