621.31924 UPP 535
Uppal, S. L. Electrical wiring estimating and costing / by S. L. Uppal and J. M. Laroia. - Delhi : Khanna, 1976 iv, 515p. : ill. Rs.20.00 * Electrical installahics Electrical wiring systems Lighting accessories * Laroia, J. M. * Title
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