DIN EN ISO 5198:1999-12 Centrifugal, mixed flow and axial pumps - Code for hydraulic performance tests - Precision class (ISO 5198:1987); German version EN ISO 5198:1998
1999DIN EN ISO 5198:1999-12 Centrifugal, mixed flow and axial pumps - Code for hydraulic performance tests - Precision class (ISO 5198:1987); German version EN ISO 5198:1998
1999DIN EN ISO 5198:1999 Centrifugal, mixed flow and axial pumps - Code for hydraulic performance tests - Precision class (ISO 5198:1987); German version EN ISO 5198:1998