Description     Claims     Drawing  

EP1771617B1   [0009] 
EP1971713B1   [0009] 
EP0533286B1   [0009] 
US6355073B1   [0012] 
JP3706689B   [0012] 
DE4342313A1   [0012] 
CN103938387A   [0012] 
CN105463730A   [0013]