IPC Subgroup
C10N 40/25 Internal-combustion engines
Introduced: January 1990
Last revised: January 2006
Full Title
Specified use or application for which the lubricating composition is intended > Internal-combustion engines
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- Subclass:
- INDEXING SCHEME ASSOCIATED WITH SUBCLASS
2 direct subcodes
Child Classifications
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- C10N 40/26 Two-stroke
- C10N 40/28 Rotary