00394nam a22001457a 4500 2706 2706 200313b ||||| |||| 00| 0 eng d 629.13433 F8481 2320 Frazer, R. A. Graphical treatment of binary mass-balancing problems London HMSO 1951 10 p. 1.08 Marine Engineering BK 0 0 ddc 0 629_134330000000000_F8481 0 7434 CL CL 1954-03-26 A. H. Wheeler 629.13433 F8481 02117 2020-03-13 BK