Vorrichtung fuer die Lasermaterialbearbeitung (2007)
Gasser, A., Kelbassa, J., Neumann, G., Miessen, M.
DE 102005058172 A1 UPAB: 20070711 NOVELTY - An arrangement for laser treatment, comprises a head with a zoom optical unit and a nozzle head. The latter has an axial outlet opening for the laser and a...