000
00284nam a2200121Ia 4500
008
220201s2016 xx 000 0 eng d
100
_a
GUPTA J B
245
0
_a
SWITCHGEAR AND PROTECTION
250
_a
3
260
_a
DELHI
_b
S K KATARIA AND SONS
_c
2016
300
_a
538
942
_2
ddc
999
_c
93798
_d
93798