00370nam a2200157Ia 4500003000400000005001700004008004100021020001800062082001500080100001500095245004500110260002300155260000900178300001200187700001300199OSt20200312045209.0200302s9999    xx            000 0 und d  a9788174092403  a621.3bUPP  aUppal, S L  aElectrical wiring estimating and costing  bKhanna Publishers   c2001  a836 P.,  aGarg, CC