DIN EN 561:2002-09 Gas welding equipment - Quick-action coupling with shut-off valves for welding, cutting and allied processes; German version EN 561:2002
2002DIN EN 561:2002-09 Gas welding equipment - Quick-action coupling with shut-off valves for welding, cutting and allied processes; German version EN 561:2002
2002DIN EN 561:2002 Gas welding equipment - Quick-action coupling with shut-off valves for welding, cutting and allied processes; German version EN 561:2002