00400nam a22001577a 4500 1007 1007 200106b ||||| |||| 00| 0 eng d 621.1 E131 576 Eason, Alec B. Flow and measurement of air and gases 2nd London Charles Griffin 1930 xii,254p. 14.03 Air flow BK 0 0 ddc 0 621_100000000000000_E131 0 3304 CL CL 1952-10-30 Progressive 621.1 E131 00679 2020-01-06 BK 0 0 ddc 0 621_100000000000000_E131 0 3305 CL CL 1952-10-30 Progressive 621.1 E131 00680 2020-01-06 BK