Class 23
Fluid distribution equipment, sanitary, heating, ventilation and air-conditioning equipment, solid fuel
| 23-01 FLUID DISTRIBUTION EQUIPMENT |
| Note(s) |
| Including pipes and pipe fittings. |
| 23-02 [VACANT] |
| 23-03 HEATING EQUIPMENT |
| 23-04 VENTILATION AND AIR-CONDITIONING EQUIPMENT |
| 23-05 SOLID FUEL |
| 23-06 SANITARY APPLIANCES FOR HYGIENIC PURPOSES |
| 23-07 EQUIPMENT FOR URINATION AND DEFECATION |
| 23-08 OTHER SANITARY EQUIPMENT AND ACCESSORIES, NOT INCLUDED IN OTHER CLASSES OR SUBCLASSES |
| 23-99 MISCELLANEOUS |

