B
PERFORMING OPERATIONS; TRANSPORTING
B
PERFORMING OPERATIONS; TRANSPORTING
B08
CLEANING
B08
CLEANING
B08B
CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
B08B
CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
B08B3/00
Cleaning by methods involving the use or presence of liquid or steam
B08B3/00
Cleaning by methods involving the use or presence of liquid or steam