00375nam a22001457a 4500 879 879 191227b ||||| |||| 00| 0 eng d 621.31042 O239 438 Odhams press Electric motors and generators London Odhams press 1950 384p. 6.08 Electric generators BK 0 0 ddc 0 621_310420000000000_O239 0 3105 CL CL 1952-10-10 Asian publishing house 621.31042 O239 00439 2019-12-27 BK