Description     Revendications     Dessins  

US20140373827A1   [0003] 
US4941414A   [0003] 
US5983885A   [0003]  [0005] 
WO2004046614A2   [0006] 
GB2157418A   [0006] 
EP0958883A2   [0006] 
US4416251A   [0007] 
US4440342A   [0007]