DIN EN 15714-4:2010-02 Industrial valves - Actuators - Part 4: Hydraulic part-turn actuators for industrial valves - Basic requirements; German version EN 15714-4:2009
2010DIN EN 15714-4:2010-02 Industrial valves - Actuators - Part 4: Hydraulic part-turn actuators for industrial valves - Basic requirements; German version EN 15714-4:2009
2010DIN EN 15714-4:2010 Industrial valves - Actuators - Part 4: Hydraulic part-turn actuators for industrial valves - Basic requirements; German version EN 15714-4:2009