Beschreibung     Ansprüche     Zeichnung  

DE4340291A   [0004] 
DE4212583A1   [0005] 
DE2352926A1   [0005] 
DE19906438A1   [0007] 
US3775524A   [0010] 
US3632713A   [0010] 
US3950459A   [0010] 
US3892830A   [0010] 
DE3314106A1   [0010] 
US5292243A   [0011] 
EP0620099B1   [0011] 
DE69401024T2   [0011] 
WO9732713A   [0012] 
US5853775A   [0012] 
DE102007016027A1   [0013] 
DE102010026166A1   [0061]