@inproceedings{sgem2017s27112,
  title = {3D PRINTER WITH REPLACEMENT HEAD FOR ENGRAVING PRINTED CIRCUIT BOARDS},
  author = {Antonin Durna and Jiri Fries},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Nano, Bio and Green - Technologies for a Sustainable Future},
  year = {2017},
  pages = {877-884},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/62/s27.112}
}