IPC Subgroup
F22D 1/42 specially adapted for locomotives
Introduced: September 1968
Last revised: January 2006
Full Title
Feed-water heaters, e.g. preheaters > specially adapted for locomotives
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STEAM GENERATION
- Subclass:
- PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
3 direct subcodes
Child Classifications
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