F28F 2013/006 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup Additional Only

F28F 2013/006

Full Title

Arrangements for modifying heat-transfer, e.g. increasing, decreasing (F28F1/00 - F28F11/00 take precedence)

This code exists only in CPC.

Diff view requires codes present in both systems.