using liquid flow, e.g. of swinging-flap type

Full Title

Other machines or engines > using liquid flow, e.g. of swinging-flap type

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR

Subclass:

MACHINES OR ENGINES FOR LIQUIDS