IPC Subgroup
B08B 9/023 Cleaning the external surfaces
Introduced: January 2000
Last revised: January 2006
Full Title
Cleaning hollow articles by methods or apparatus specially adapted thereto > Cleaning pipes or tubes or systems of pipes or tubes > Cleaning the external surfaces
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- CLEANING
- Subclass:
- CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL