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PCE
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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.