DIN EN 1114-1:2012-01 Plastics and rubber machines - Extruders and extrusion lines - Part 1: Safety requirements for extruders; German version EN 1114-1:2011
2012DIN EN 1114-1:2012 Plastics and rubber machines - Extruders and extrusion lines - Part 1: Safety requirements for extruders; German version EN 1114-1:2011
1997DIN EN 1114-1:1997 Extruders and extrusion systems DIN Part 1: Safety requirements for extruders