000
00311nam a2200133Ia 4500
008
220201s1964 xx 000 0 eng d
082
_b
DAS
100
_a
Das, P. N.
245
0
_a
Carrier current engineering
250
_a
2
260
_b
Englisher language book society
_c
1964
300
_a
191
942
_2
ddc
999
_c
19454
_d
19454