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DE102015217704A1   [0002] 
EP2980822A1   [0002] 
DE102015213375A1   [0002] 
DE102013211539A1   [0002] 
EP2685482B1   [0002] 
EP0957558A2   [0003] 
DE102014208036A1   [0003] 
DE102014202485A1   [0003] 
DE2841004B1   [0007] 
DE3333792A1   [0007] 
EP2061051B1   [0010] 
EP1995747B1   [0010] 
EP2189996B1   [0010] 
US2009120908A1   [0011] 
US2008290068A1   [0011]