G01N 9/002 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup

G01N 9/002

Full Title

Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity

Of 3 combined children, 0 exist in both systems.

3 codes are CPC-only extensions.

Note: 3 CPC extensions are marked as secondary classification only.

This code exists only in CPC.

Diff view requires codes present in both systems.