DIN EN 741:2011-06 Continuous handling equipment and systems - Safety requirements for systems and their components for pneumatic handling of bulk materials; German version EN 741:2000+A1:2010
2011DIN EN 741:2011-06 Continuous handling equipment and systems - Safety requirements for systems and their components for pneumatic handling of bulk materials; German version EN 741:2000+A1:2010
2011DIN EN 741:2011 Continuous handling equipment and systems - Safety requirements for systems and their components for pneumatic handling of bulk materials; German version EN 741:2000+A1:2010