DIFF Subgroup
H01J 43/02 Tubes in which one or a few electrodes are secondary-electron emitting electrodes
Introduced: September 1968
Title
Titles differ between systems:
IPC: Tubes in which one or a few electrodes are secondary-electron-emitting electrodes
CPC: Tubes in which one or a few electrodes are secondary-electron emitting electrodes
Full Title
Full titles differ between systems:
IPC:
Secondary-emission tubes; Electron-multiplier tubes > Tubes in which one or a few electrodes are secondary-electron-emitting electrodes
CPC:
Secondary-emission tubes; Electron-multiplier tubes (dynamic electron-multiplier tubes H01J25/76) > Tubes in which one or a few electrodes are secondary-electron emitting electrodes
Of 1 combined children, 0 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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