00515ca0 a2200229ua 4500 20127 20180503180948.0 ta 161018s ii g b000 u eng u NULL MAIN eng NULL 541 DAS Das, RK . Author Industrial chemistry RK Das. New Delhi : Kalyani publishers , 1979. 145 ; NULL. NULL UGC16966 UGC16967 Chemistry BK 55566 55566 0 0 0 541_000000000000000_DAS 0 67432 MAIN MAIN Lending 2018-05-03 CH-5 SHELF 0 541 DAS UGC16966 2018-05-03 1 2018-05-03 BK 0 0 0 541_000000000000000_DAS 0 67433 MAIN MAIN Lending 2018-05-03 CH-5 SHELF 1 541 DAS UGC16967 2021-03-17 2021-02-09 2 2018-05-03 BK