000
00270 a2200121 4500
082
_a
621.38151
_b
R118rm
245
1
_a
RCA MAGNETRONS AND TRAVELING-WAVE TUBES
260
_a
N. J.
_b
_c
1956
300
_a
39
650
_a
Magnetrons
964
_g
CIRC
997
_a
16751 C
999
_c
452939
_d
452939