00442nam a2200145Ia 450000500170000000800410001708200160005810000170007424500420009126000110013365000270014494200070017195201030017899900150028120251015151537.0240817s9999    xx            000 0 und d  a621.2 S59,a  aSteward,H.T. 0aHydrolic & penumatic power production  c, 1955  aelectrical engineering  cBK  00102ddc4070aTCLbTCLd2024-08-21l0o621.2 S59,mp6030r2024-08-21w2024-08-21yBKz127-AKL  c5584d5584