00233nam a2200109Ia 4500008004100000041000800041082001800049100001400067245002500081260000900106300000800115211209s1977    xx            000 0 und d  aeng  a669.8 N77 KAZ  aKAZANTSEV  aINDUSTRIAL FURNACES   c1977  a375