DIN EN 12560-4:2001-04 Flanges and their joints - Gaskets for class-designated flanges - Part 4: Corrugated, flat or grooved metallic and fillet metallic gaskets for use with steel flanges; German version EN 12560-4:2001
2001DIN EN 12560-4:2001-04 Flanges and their joints - Gaskets for class-designated flanges - Part 4: Corrugated, flat or grooved metallic and fillet metallic gaskets for use with steel flanges; German version EN 12560-4:2001
2001DIN EN 12560-4:2001 Flanges and their joints - Gaskets for class-designated flanges - Part 4: Corrugated, flat or grooved metallic and fillet metallic gaskets for use with steel flanges; German version EN 12560-4:2001