DIFF Subgroup Additional Only
H05H 2007/065 Full Title
Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00 > Two-beam arrangements; Multi-beam arrangements ; Electron rings
H05H 2007/065 Details of devices of the types covered by groups H05H9/00, H05H11/00, H05H13/00 > Two-beam arrangements; Multi-beam arrangements ; Electron rings