DIFF Subgroup
H04M 15/38 metering by apparatus other than mechanical step-by-step counter type
Introduced: September 1968
Title
Titles differ between systems:
IPC: Metering by apparatus other than mechanical step-by-step counter type
CPC: metering by apparatus other than mechanical step-by-step counter type
Full Title
Full titles differ between systems:
IPC:
Arrangements for metering, time-control or time-indication > Metering by apparatus other than mechanical step-by-step counter type
CPC:
Arrangements for metering, time-control or time indication > metering by apparatus other than mechanical step-by-step counter type
No child classifications to compare. This is a leaf node in both IPC and CPC.