KR

Boilers, other than parts of machines, namely, electric boilers, heating boilers, industrial boilers, all for use in the field of oil and gas exploitation; heating apparatus for solid, liquid or gaseous fuels, namely, heating installations for use in the field of oil and gas exploitation; distillation apparatus not for scientific purposes; evaporators; steam boilers, other than parts of machines; oil burners for industrial use in the field of oil and gas exploitation; steam generating installations; chimney flues for heating boilers; heat pumps