00366nam a2200157Ia 4500 1504 Ost 20260507154633.0 251113s9999||||xx |||||||||||||| ||eng|| nitttr eng 621.8 H222P Hardy, H. W. Planetary gearing : design and efficiency / Hardy, H. W. BK 1401 1401 0 0 0 0 NITTTR NITTTR 2026-05-07 0 621.8 H222P 1227 2026-05-07 15:46:33 2026-05-07 BK