Description  Claims  Drawing  Cited references 

EP0198519B1   [0004] 
EP0006252B1   [0006] 
EP1048681B1   [0008] 
JP58217598A   [0041] 
WO9013533A   [0041] 
DE4321022A1   [0043] 
WO9623768A1   [0043] 
DE19513391A1   [0043] 
WO9519953A1   [0043] 
WO9519954A1   [0043] 
WO9519955A1   [0043] 
WO9101295A1   [0045] 
DE4308794C1   [0045] 
EP0750606B1   [0046]