35670 - Industrial furnaces & Ovens (Miscellaneous)
35671 - Electric industrial furnaces, Ovens & Kilns, excl induction
3567111 - - Electric furnaces: Metal melting
3567121 - - Electric furnaces: Metal processing & Heat treating (Such as annealing, Hardening, Carburizing & Porcelain enameling furnaces)
3567129 - - Electric furnaces: Other
3567143 - - Electric industrial ovens & Kilns + Infrared
3567199 - - Electric industrial furnaces, Ovens & Kilns (Miscellaneous)
35672 - Fuel-fired industrial furnaces, Ovens & Kilns
3567211 - - Fuel-fired Furnaces: Metal melting + Blast furnaces & Cupolas
3567221 - - Fuel-fired Furnaces: Metal processing & Heat treating (Such as annealing, Hardening, Carburizing & Porcelain enameling furnaces)
3567241 - - Fuel-fired Industrial ovens
3567261 - - Fuel-fired Furnaces: Hot rolling, Forging, Forming & Extruding
3567299 - - Fuel-fired industrial furnaces, Ovens & Kilns (Miscellaneous)
35674 - High frequency induction & Dielectric heating equipment
3567401 - - Radio frequency type (incl Spark gap) & Line & Motor-generator set frequency type furnaces & Ovens, (Induction or Dielectric) except metal melting
3567402 - - High-frequency metal melting induction furnaces
3567403 - - Other High-frequency induction or Dielectric furnaces & Ovens
3567404 - - Other High-frequency induction or Dielectric heating equipment
3567411 - - Induction furnaces & Heating equipment: Radio frequency type (+ Spark gap) & Line & Motor-generator set frequency types, except metal melting
3567417 - - Induction furnaces & Heating equipment: Metal melting induction furnaces
3567419 - - Induction furnaces & Heating equipment: Other
3567431 - - Dielectric heating equipment
3567499 - - High frequency induction & Dielectric heating equipment (Miscellaneous)
35675 - Electrical heating equipment for Industrial use (General, except soldering irons) & Parts & Attachments
3567501 - - Industrial electric tubular heaters
3567502 - - Industrial electric space heaters
3567503 - - All other Industrial electric heating units & Devices, incl Strip heaters, Ring heaters, Water & Oil immersion heaters, Glue & Compound pots, etc. (except soldering irons)
3567511 - - Parts & Attachments for Electrical industrial space heaters
3567512 - - Parts & Attachments for other Electrical industrial furnaces & Ovens
3567551 - - Industrial electric heating units & Devices, except heating units for Electric furnaces: Tubular heaters
3567559 - - Industrial electric heating units & Devices (General) + Strip, Space & Ring heaters; Water & Oil immersion
3567591 - - Parts, Attachments & Components for Electric industrial furnaces & Ovens + Electric heating units
3567599 - - Electrical heating equipment, Industrial (Miscellaneous)
35676 - Fuel-fired industrial furnaces, Ovens & Kilns
3567601 - - Fuel-fired industrial metal melting furnaces, incl Blast furnaces & Cupolas, except parts & Attachments
3567602 - - Fuel-fired industrial metal processing & Heat treating furnaces (Such as annealing, Hardening, Carburizing & Porcelain enameling furnaces) except parts & Attachments
3567603 - - Fuel-fired industrial furnaces: Hot rolling, Forging, Forming & Extruding
3567604 - - Other Fuel-fired furnaces
3567605 - - Fuel-fired industrial ovens
3567606 - - Fuel-fired industrial kilns (except cement, Wood & Chemical)
3567609 - - Other Fuel-fired industrial furnaces (incl Hot rolling, Forging, Forming & Extruding) except parts & Attachments
3567615 - - Fuel-fired industrial ovens & Kilns (except cement, Wood & Chemical) except parts & Attachments
3567617 - - Parts & Attachments for Industrial fuel-fired furnaces, Ovens & Kilns: made of Ceramic & Ceramic composite
3567619 - - Parts & Attachments for Industrial fuel-fired furnaces, Ovens & Kilns: made of other Materials
3567621 - - Parts & Attachments for Industrial fuel-fired furnaces, Ovens & Kilns
3567699 - - Fuel-fired industrial furnaces, Ovens & Kilns (Miscellaneous)
3567XX0 - - Industrial furnaces & Ovens (Miscellaneous - Volume)
3567XX2 - - Industrial furnaces & Ovens (Miscellaneous - Speciality)