IPC Main Group
F17B 1/00 Gas-holders of variable capacity
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STORING OR DISTRIBUTING GASES OR LIQUIDS
- Subclass:
- GAS-HOLDERS OF VARIABLE CAPACITY
5 direct subcodes
Child Classifications
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- F17B 1/007 with telescopically movable ring-shaped parts
- F17B 1/013 with movables discs
- F17B 1/02 Details
- F17B 1/16 of wet type
- F17B 1/24 of dry type