DIFF Subgroup
G01N 31/12 using combustion (G01N25/20 takes precedence)
Introduced: September 1968
Title
Titles differ between systems:
IPC: using combustion
CPC: using combustion (G01N25/20 takes precedence)
Full Title
Full titles differ between systems:
IPC:
Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroups; Apparatus specially adapted for such methods > using combustion
CPC:
Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods > using combustion (G01N25/20 takes precedence)
No child classifications to compare. This is a leaf node in both IPC and CPC.