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ES301843A1
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Improvements introduced in the manufacture of three-dimensional beads (Machine-translation by Google Translate, not legally binding)
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ES281767A3
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Procedure for the manufacture of a beam of triangular soldied celosia (Machine-translation by Google Translate, not legally binding)
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ES273312A1
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Improvements in soldier metals of round bars (Machine-translation by Google Translate, not legally binding)
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ES255505A1
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Improvements in welded, three-dimensional lattice girder consisting of rod-like members
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ES221093A1
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Improvements in the welding beams welded to the autonomous (Machine-translation by Google Translate, not legally binding)
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ES203565A3
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Improvements in the manufacture of triangular beams of self-held (Machine-translation by Google Translate, not legally binding)
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CA689926A
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Welded, three-dimensional lattice structure consisting of bar-section members
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CA786009A
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Lattice girder and method of making same
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