RCA
49
RCA
526
TO-3
RCA/MOT
542
TO-3
RCA
22
RCA
39
HARRIS
2251
TO-3
EXCELICS
18800
TO-59.高频管
EXCELICS
18800
TO-59.高频管
EXCELICS
18800
TO-59.高频管
EXCELICS
18800
TO-59.高频管
EXCELICS
18800
TO-59.高频管
EXCELICS
18800
TO-59.高频管
EXCELICS
18800
TO-59.高频管
EXCELICS
18800
TO-59.高频管
EXCELICS
18800
TO-59.高频管