00257nam a2200121Ia 45000030006000000080041000060400015000471000015000622450020000772600009000975460012001060050017001180STCL150530s9999    xx            000 0 und d  aSTCLcSTCL  aDunoyer, L  aVacuum practice  c1926  aEnglish20220125170141.0