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
7/00
Heating or cooling apparatus; Heat insulating devices
7/00
Heating or cooling apparatus; Heat insulating devices