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ES2710545A1
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SYSTEM TO COMPACT THE LAND ON THE SIDE OF A CHANNEL
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ES2684429A1
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Transition zone of a railway line between a ballast track and a concrete plate track
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ES2635163A1
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Water drainage pipe for caskets, cassette comprising said drainage pipe and water drainage method in caskets
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ES2618887A1
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Procedure for the control of the temperature and the resistance of the concrete in the decoupling operations
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ES2581404A1
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Rail unloading procedure
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ES2578520A1
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Pile for foundation, injection procedure of said pile and manufacturing procedure thereof
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ES2550879A1
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Profiling device for railroad tracks and self-propelled machine comprising said device
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ES2561928A2
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Railroad track assembly procedure
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ES2550878A1
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Drag flange for unloading lanes
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ES2550902A1
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Rail connection flange
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ES2481793A2
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Device for squaring of railway track sleepers and self-propelled machine comprising said device
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ES2522923A1
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Railway platform for unloading rail trains
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ES2442065A1
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Piece to give continuity to the skate of the rails and procedure to place it
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ES2387486A1
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Provisional support for the unloading and placement of railways
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ES2387490A1
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Shot machine for unloading and placing rail tracks
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ES2387428A1
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Provisional support for guided unloading and placement of railway tracks
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ES2384150A1
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RAIL DOWNLOAD SYSTEM.
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ES2378046A1
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SECURITY SYSTEM FOR HANDLING PIPES AND PROCEDURES FOR VERTICAL EXTRACTION, TURNING AND MOUNTING WITH SUCH SYSTEM.
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ES2357707A1
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PIPE FOR DRIVING.
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ES2325670A1
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SECURITY BAR.
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