Description  Claims  Drawing  Cited references 

DE10146689A   [0005] 
DE3522470A   [0006] 
DE4416571   [0007] 
CN1883790   [0008]  [0013] 
DE3545196A1   [0009]  [0009]  [0009]  [0009] 
DE4416571C   [0013] 
DE3545196   [0052]