SOLID AND LIQUID CHEMICALS FOR USE AS COOLANTS IN AIR CONDITIONING EQUIPMENT, FOR USE AS DEHUMIDIFYING AGENTS DEHUMIDIFYING EQUIPMENT AND FOR USE AS ANTIMICROBIAL AGENTS IN AIR CONDITIONING EQUIPMENT AND DEHUMIDIFYING EQUIPMENT

Flexible vinyl vapor retardant laminate membrane used in the building construction industry

electromechanical control apparatus for selecting the type of vacuum to be used in the field of solvent recovery

Laminated vapor barrier