000 00287nam a2200121Ia 4500
008 220201s1969 xx 000 0 eng d
082 _a621.3002
100 _aBajpai,MN
245 0 _aElectrical estimating and costing
260 _bSaroj prakashan
_c1969
300 _a382
942 _2ddc
999 _c78824
_d78824