DIN 11622-5 E:2014-10 Silage and liquid manure containers, containers in biogas plants, bunker silos and trench silos - Part 5: Bunker silos and trench silos
2015DIN 11622-5:2015-09 Silage and liquid manure containers, containers in biogas plants, bunker silos and trench silos - Part 5: Bunker silos and trench silos
2015DIN 11622-5:2015 Silage and liquid manure containers, containers in biogas plants, bunker silos and trench silos - Part 5: Bunker silos and trench silos
1970DIN 11622-5 E:2014-10 Silage and liquid manure containers, containers in biogas plants, bunker silos and trench silos - Part 5: Bunker silos and trench silos