DIFF Subgroup
H01J 3/08 Arrangements for controlling intensity of ray or beam (H01J3/02, H01J3/04 take precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Arrangements for controlling intensity of ray or beam
CPC: Arrangements for controlling intensity of ray or beam (H01J3/02, H01J3/04 take precedence)
Full Title
Full titles differ between systems:
IPC:
Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps > Arrangements for controlling intensity of ray or beam
CPC:
Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps > Arrangements for controlling intensity of ray or beam (H01J3/02, H01J3/04 take precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.