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Classification
H01J
H01J2893/00
H01J2893/0048
ClassID:
206854
⎘
H01J2893/0048 - CPC Classification
Classification description:
Discharge tubes and lamps Tubes with a main cathode
Sub-classes:
H01J2893/0049 »
Internal parts
0
H01J2893/005 »
Cathodes
1
H01J2893/0051 »
Anode assemblies; screens for influencing the discharge
1
H01J2893/0055 »
Movable screens
0
H01J2893/0056 »
Parts inside tubes brought to incandescence by the discharge
0
H01J2893/0058 »
Grids; Auxiliary internal or external electrodes
0