Apparatus for producing and/or handling paper pulp, and components for use in apparatus; paper pulp producing and/or handling systems and equipment, including digesters, mixers, pumps, screens, washers, degassers, bleachers, oxygen delignifiers, blow tanks, feed chests, air locks, chip bins, chip meters, low pressure feeders, steaming vessels, chip chutes, metal traps, high pressure feeders, sand separators, level tanks, in-line drainers, top separators, impregnation vessels, blow units, flash tanks, samplers, filtrate tanks, air/water separators, evaporators, steam mixers, dischargers, and diffusers; parts for the foregoing; and all other goods in this class

Machinery and apparatus for the manufacturing of cellulose pulp and paper; all other goods in this class

Machinery and apparatus for the manufacturing of cellulose pulp and paper; all other goods in this class