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ES2383410A1
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Building procedure of hyperstatic bridge prefabricated for large lights (Machine-translation by Google Translate, not legally binding)
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ES2354663A1
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PREFABRICATED BEAM TO PASS IT OUT.
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ES2371567A1
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PREFABRICATED CONCRETE SEMIMARC UNION SYSTEM.
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ES2352023A1
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ASSEMBLY PROCEDURE FOR PREFABRICATED CONCRETE DINTELS.
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ES2336290A1
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LIGHT PREFABRICATED FRAME.
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ES2241500A1
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METAL PROTECTION BARRIER.
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ES2292278A1
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PROCEDURE FOR THE MANUFACTURE OF A STRUCTURAL ELEMENT FOR VIADUCTS, BRIDGES OR SIMILAR AND RESULTING STRUCTURAL ELEMENT.
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