News editors obtained the following quote from the background information suppli ed by the inventors:“The problem addressed by the invention is that of providin g a printing system for forming a strand ofbuilding material for 3-D printing o f a structural part, which printing system has improved characteristics.Moreove r, the problem addressed by the invention is that of providing the use of such a printing systemfor forming a strand of building material for 3-D printing of a structural part.
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