000
00273nam a2200109Ia 4500
008
220201s1967 xx 000 0 eng d
100
_a
I S 4047-1967
245
0
_a
AUDIO FREQUENCY TRANSFORMERS AND CHUTES USED
260
_a
DELHI
_b
I S I
_c
1967
300
_a
22
942
_2
ddc
999
_c
89066
_d
89066