Descriptions for F24D and notes/indexes are displayed on this screen.
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DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR (using steam or condensate extracted or exhausted from steam engine plants for heating purposes F01K 17/02)
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Note(s)
In this subclass, the following expression is used with the meaning indicated:[5]"central heating system" means a system in which heat is generated or stored at central sources and is distributed by means of a transfer fluid to the spaces or areas to be heated
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Subclass indexes
CENTRAL HEATING SYSTEMS | With heat-transfer fluid: steam; hot water; hot air or exhaust gas; other fluid | 1/00; 3/00; 5/00; 7/00 | Combinations | 9/00 | District heating systems | 10/00 | By heat storage | 11/00 | Other systems | 12/00 | OTHER DOMESTIC- OR SPACE-HEATING SYSTEMS | Electric; Other | 13/00; 15/00 | DOMESTIC HOT-WATER SUPPLY | 17/00 | SMALL-SCALE COMBINED HEAT AND POWER GENERATION SYSTEMS | 18/00 | DETAILS | 19/00 |
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