DIFF Subgroup
G01R 19/10 Measuring sum, difference or ratio
Introduced: September 1968
Title
Titles differ between systems:
IPC: Measuring sum, difference, or ratio
CPC: Measuring sum, difference or ratio
Full Title
Full titles differ between systems:
IPC:
Arrangements for measuring currents or voltages or for indicating presence or sign thereof > Measuring sum, difference, or ratio
CPC:
Arrangements for measuring currents or voltages or for indicating presence or sign thereof (G01R5/00 takes precedence; for measuring bioelectric currents or voltages A61B5/24) > Measuring sum, difference or ratio
No child classifications to compare. This is a leaf node in both IPC and CPC.