2012DIN SPEC 42955:2012-04 Shaft extension run out and of mounting flanges for rotating electrical machinery, frame size larger then 315 - Tolerances, test
2012DIN SPEC 42955:2012 Shaft extension run out and of mounting flanges for rotating electrical machinery, frame size larger then 315 - Tolerances, test
1981DIN 42955:1981 Tolerances of shaft extension run-out and of mounting flanges for rotating electrical machinery, test