000
00220 a2200097 4500
001
18826
100
_a
Hubert, C i
245
_a
Preventive maint of elect equip
260
_a
_b
MC GRAW HILL
_c
1969
090
_c
13946
_d
13946
942
_a
NUST-CAE
_c
M
_c
4387
999
_c
253899
_d
253899