F01M 2001/1057 — IPC vs CPC Diff | Patent Classification Explorer

DIFF Subgroup Additional Only

F01M 2001/1057

Full Title

Pressure lubrication > Lubricating systems characterised by the provision therein of lubricant venting or purifying means, e.g. of filters

This code exists only in CPC.

Diff view requires codes present in both systems.