IPC Main Group
F28G 9/00 Cleaning by flushing or washing, e.g. with chemical solvents
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- HEAT EXCHANGE IN GENERAL
- Subclass:
- CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OF BOILERS