TY - PAT CY - Patent A1 - Heel, Michael A1 - Herrmann, Dennis A1 - Schlichting, Katja T1 - Apparatus an Method for Producing three-dimensional Objects UR - https://depatisnet.dpma.de/DepatisNet/depatisnet?action=pdf&firstdoc=1&docid=CN000112292252A SN - CN000112292252A ER -