00509nam a22001817a 450000500170000001000130001702000110003003500130004103700110005408200100006510000170007524500890009225000110018126000360019227000400022830000390026870000200030720170513133315.0  aB-593923  c300.00  aB-593923  bDpl/CL  a621.3  aSurjit Singh  aElectrical design :bestimating and costing /cby Surjit Singh [and] Ravi Deep Singh  a2nd ed  aDelhibDhanpat Raic2014(repr.)  a1710-1711, Nai SarakbDelhie110006  avarious pagings :bill.c24cm(pbk)  aRavi Deep Singh