DIFF Subgroup
H01J 41/10 of particle spectrometer type (particle spectrometers per se H01J49/00)
Introduced: July 1974
Title
Titles differ between systems:
IPC: of particle-spectrometer type
CPC: of particle spectrometer type (particle spectrometers per se H01J49/00)
Full Title
Full titles differ between systems:
IPC:
Discharge tubes and means integral therewith for measuring gas pressure; Discharge tubes for evacuation by diffusion of ions > Discharge tubes and means integral therewith for measuring gas pressure > of particle-spectrometer type
CPC:
Discharge tubes for measuring pressure of introduced gas ; Discharge tubes for evacuation by diffusion of ions > Discharge tubes for measuring pressure of introduced gas > of particle spectrometer type (particle spectrometers per se H01J49/00)
No child classifications to compare. This is a leaf node in both IPC and CPC.