Beschreibung     Ansprüche     Zeichnung  

DE8517976   [0002]  [0003] 
US6039424A   [0005] 
CN2903839   [0006] 
EP0580962A1   [0007] 
DE569511A   [0008] 
US6186608B1   [0009] 
EP2235452A2   [0010] 
WO2008095775A1   [0011]