IPC Subgroup
F17B 1/2 telescopic
Introduced: September 1968
Last revised: January 2006
Full Title
Gas-holders of variable capacity > of wet type > telescopic
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- STORING OR DISTRIBUTING GASES OR LIQUIDS
- Subclass:
- GAS-HOLDERS OF VARIABLE CAPACITY
1 direct subcode
Child Classifications
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- F17B 1/22 spirally-guided