B
PERFORMING OPERATIONS; TRANSPORTING
B
PERFORMING OPERATIONS; TRANSPORTING
B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01D
SEPARATION
B01D
SEPARATION
B01D46/00
Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
B01D46/00
Filters or filtering processes specially modified for separating dispersed particles from gases or vapours