00433nam a2200145Ia 4500008004100000041000800041082001800049100001000067245003700077250001000114260003900124300000800163952009900171999001700270211209s1980    xx            000 0 und d  aeng  a621.7 PAN/SIN  aPANDE  aPRODUCTION ENGINEERING SCIENCES   a4 ed.  aDELHIbSTANDARD PUBLICATIONSc1980  a686  00104070aRITbRITd2021-12-31l0o621.7 PAN/SINp17633r2021-12-31 00:00:00w2021-12-31yBK  c17633d17633