Description  Claims  Drawing  Cited references 

DD110815A1   [0008] 
US3774711A   [0008] 
GB1440686A   [0008] 
US4392546A   [0008] 
DE1020100544410A1   [0008] 
FR2608121A1   [0008] 
DE3839165C1   [0008] 
WO2014003609A1   [0008]