000
00300nam a2200121Ia 4500
008
220201s2021 xx 000 0 eng d
082
_b
GUP
100
_a
Gupta , R
245
0
_a
DMRC Junior engineers electrical guide
260
_a
New Delhi
_b
Ramesh pub House
_c
2021
300
_a
96p.
942
_2
ddc
999
_c
38100
_d
38100