00334nam a2200109 4500 660.282 UTI Utilization of local raw meterials Utilization of local raw meterials -Oct.23-24,1969 Colombo The Chemical Society of Ceylon 1969 Abstract ,Lecture notes,raw meterials BK 2092 2092 0 0 0 NFIC IC IC GEN 2015-09-14 1 660.282 UTI 003949 2015-09-22 00:00:00 2015-09-22 2015-09-14 REF 0 0 0 NFIC IC IC GEN 2015-09-14 0 660.282 UTI 001316 2022-11-17 00:00:00 2015-09-14 BK