Beschreibung  Ansprüche  Zeichnung  Angeführte Verweise 

EP1122331B1   [0005] 
EP1612290A1   [0006] 

Further investigation of the structure and properties of austenitic stainless steel after plasma nitriding   [0007] 
Low torr-range vacuum nitriding of 4140 steel   [0008]