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
B01L
CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
B01L
CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
2400/00
Moving or stopping fluids
2400/00
Moving or stopping fluids
B01L2400/06
Valves, specific forms thereof
B01L2400/06
Valves, specific forms thereof
B01L2400/0633
with moving parts
B01L2400/0633
with moving parts