00518nam a22001697a 4500 230515b |||||||| |||| 00| 0 eng d National Science Library National Science Library R 678 J6.1 Roff, W J 8965 Fibres, plastics and rubbers: a handbook of common polymers London: Butterworths Scientifics Publications, 1956 xvi, 400p. Industries Rubbers Palstics udc REF 30123 30123 0 0 udc 0 R_678_J61 0 NFIC 45329 NSL NSL GF/Rk-24/C-4/R-7 2004-07-23 0 R 678 J6.1 190769 2023-05-15 00:00:00 2004-07-23 REF