烘炉、熔炉及熔炉燃烧室的制造

This class includes: - manufacture of electrical and other industrial and laboratory furnaces and ovens, including incinerators - manufacture of burners - manufacture of permanent mount electric space heaters, electric swimming pool heaters - manufacture of permanent mount non-electric household heating equipment, such as solar heating, steam heating, oil heat and similar furnaces and heating equipment - manufacture of electric household-type furnaces (electric forced air furnaces, heat pumps, etc.), non-electric household forced air furnaces This class also includes: - manufacture of mechanical stokers, grates, ash dischargers etc.

This class excludes: - manufacture of household ovens, see 2750 - manufacture of agricultural dryers, see 2825 - manufacture of bakery ovens, see 2825 - manufacture of dryers for wood, paper pulp, paper or paperboard, see 2829 - manufacture of medical, surgical or laboratory sterilizers, see 3250 - manufacture of (dental) laboratory furnaces, see 3250