IPC Subgroup
F01B 21/02 the machines or engines being all of reciprocating-piston type
Introduced: September 1968
Last revised: January 2006
Full Title
Combinations of two or more machines or engines > the machines or engines being all of reciprocating-piston type
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- Subclass:
- MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES