DIFF Subgroup
B08B 3/06 using perforated drums in which the article or material is placed
Introduced: September 1968
Full Title
Full titles differ between systems:
IPC:
Cleaning by methods involving the use or presence of liquid or steam > Cleaning involving contact with liquid > using perforated drums in which the article or material is placed
CPC:
Cleaning by methods involving the use or presence of liquid or steam (B08B9/00 takes precedence) > Cleaning involving contact with liquid > using perforated drums in which the article or material is placed
No child classifications to compare. This is a leaf node in both IPC and CPC.