000
003460000a22001330004500
001
EST
003
621.396 / H61 / 1946
004
M
006
m
100
_a
Hoag, J. Barton
245
_a
Basic radio: the essentials of electron tubes and their circuits
650
_a
<RADIO><ELECTRONES><CIRCUITOS><FRECUENCIA><TRANSMISION>
999
_c
19586
_d
19586