000
00289nam a2200121Ia 4500
008
220201s1969 xx 000 0 eng d
082
_a
621.3004
100
_a
Bansal,SP
245
0
_a
Electrical estimating & costing
260
_b
Ludhiana:Katson pub.
_c
1969
300
_a
66
942
_2
ddc
999
_c
73948
_d
73948