G01N 33/243 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G01N 33/243

Full Title

Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 > Earth materials (G01N33/42 takes precedence)

This code exists only in CPC.

Diff view requires codes present in both systems.