SIEMENS
150,000
1,500
RCA
70,000 700
RCA
100,000 1,000
BugleBoy
150,000 1,500
TUNGSOL
120,000 2,400
GeneralElectric
100,000 1,000
RCA
60,000 600
KEN-RAD
170,000 1,700
MULLARD
260,000 2,600
SYLVANIA
80,000 800
TELEFUNKEN
0
TELEFUNKEN
0
웨스턴일렉트릭
120,000 1,200
