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PCE
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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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