00277nam a2200097Ia 4500008004100000082001300041100002700054245005200081260003500133300001100168240817s9999    xx            000 0 und d  a620.1122  aH.S.Avery & othres 0aSurface pratection against wear & carrosion  c1954a Ohiob American society  a461 p.