CPC Subgroup
H01J 47/02 Ionisation chambers
Full Title
Tubes for determining the presence, intensity, density or energy of radiation or particles ( ; photoelectric discharge tubes not involving the ionisation of a gas H01J40/00 ) > Ionisation chambers
5 direct subcodes
Child Classifications
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- H01J 47/04 Capacitive ionisation chambers, e.g. the electrodes of which are used as electrometers