using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas

Full Title

Steam engine plants not otherwise provided for > using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

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

Subclass:

STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES