00293nam a2200121Ia 4500008004100000041000800041082001800049100001000067245003700077250001000114260003900124300000800163211209s1980    xx            000 0 und d  aeng  a621.7 PAN/SIN  aPANDE  aPRODUCTION ENGINEERING SCIENCES   a4 ed.  aDELHIbSTANDARD PUBLICATIONSc1980  a686