00542nam a22001337a 4500 230619b |||||||| |||| 00| 0 eng d National Science Library National Science Library 622.337 L2 Proceedings of the symposium on chemicals and oil from coal / Organised at its premises by the Central Fuel Research..................................6th to 8th December, 1969 Dhanbad: Central Fuel Research Institute, 1969 xii, 551p. Proceedings udc PR 44673 44673 0 0 udc 0 622337_L2 0 67723 NSL NSL GF/Rk-12/C-10/R-3 2004-07-12 0 622.337 L2 187866 2023-06-19 00:00:00 2004-07-12 PR