2015DIN 82331:2015-10 Ventilation systems on ships - Gaskets for round flanges according to DIN 82330 / Note: Applies in conjunction with DIN 82330 (2015-10).
2015DIN 82331:2015 Ventilation systems on ships - Gaskets for round flanges according to DIN 82330
1998DIN 82331:1998 Ventilation plants on ships - Gaskets for round flanges according to DIN 82330