IPIQ

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F01

MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES

F01L

CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES

7/00

Rotary or oscillatory slide valve-gear or valve arrangements

F01L7/18

Component parts, details, or accessories not provided for in preceding subgroups of this group