7
Machines and machine tools; motors and engines (except for land vehicles); machine coupling and transmission components (except for land vehicles); agricultural implements other than hand-operated; incubators for eggs.
valves as installation component parts for machines, valve trays containing valves as installation component parts for machines and separating trays as installation component parts for machines, for material exchange columns, synthesis towers, condensation towers, ammonia separation towers, coking units, petroleum refining installations and petrochemical installations
11
Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes.
steam control valves for heat exchange columns and for material exchange columns, fractionating columns, rectifying columns, extraction columns, gas scrubbers and refining towers; separating trays for controlling vapor and liquid flow in heat exchange columns and in material exchange columns, fractionating columns, rectifying columns, extraction columns, gas scrubbers and refining towers; and valve trays, namely, valves incorporated in fractionating trays for controlling vapor and liquid flow in heat exchange columns and in material exchange columns, fractionating columns, rectifying columns, extraction columns, gas scrubbers and refining towers