00437nam a22001577a 4500 862 862 191226b ||||| |||| 00| 0 eng d 621.8 S8274 411 Stepanoff, A. J Centrifugal and axial flow pumps, theory, design and application 2nd New York John wiley &sons 1948 x,428p. 34.00 Centrifugal pumps BK 0 0 ddc 0 621_800000000000000_S8274 0 3079 CL CL 1952-10-10 Asian publishing house 621.8 S8274 00411 2019-12-26 BK 0 0 ddc 0 621_800000000000000_S8274 0 3080 CL CL 1952-10-10 Asian publishing house 621.8 S8274 00412 2019-12-26 BK