00281nam a2200109Ia 4500008004100000041000800041082002300049100001700072245004000089260003400129300000800163211209s1980    xx            000 0 und d  aeng  a621.56 N80 NAR/JAS  aNARANG G B S  aREFRIGERATION AND AIR CONDITIONING   bKATSON PUBLISHING HOUSEc1980  a452