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
B01L2300/00
Additional constructional details
B01L2300/00
Additional constructional details
B01L2300/04
Closures and closing means
B01L2300/04
Closures and closing means