000
00297nam a2200133Ia 4500
008
220201s1972 xx 000 0 eng d
082
_a
621.3
100
_a
Hughes,E
245
0
_a
Electrical Technology
250
_a
4th
260
_b
English language book
_c
1972
300
_a
710
942
_2
ddc
999
_c
80091
_d
80091