H01J 41/00 Discharge tubes for measuring pressure of introduced gas ; Discharge tubes for evacuation by diffusion of ions
Introduced: September 1968
Title
Titles differ between systems:
IPC: Discharge tubes and means integral therewith for measuring gas pressure; Discharge tubes for evacuation by diffusion of ions
CPC: Discharge tubes for measuring pressure of introduced gas ; Discharge tubes for evacuation by diffusion of ions
Full Title
Full titles differ between systems:
Discharge tubes and means integral therewith for measuring gas pressure; Discharge tubes for evacuation by diffusion of ions
Discharge tubes for measuring pressure of introduced gas ; Discharge tubes for evacuation by diffusion of ions
IPC and CPC are identically structured here. All 2 subcodes exist in both systems.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1974.
Child Classifications
Navigate with arrow keys, Enter to open
- H01J 41/02 Discharge tubes for measuring pressure of introduced gas since 1974 IPC+CPC Available in IPC and CPC
- H01J 41/12 Discharge tubes for evacuating by diffusion of ions, e.g. ion pumps, getter ion pumps since 1974 IPC+CPC Available in IPC and CPC