externally cooled, e.g. with water, steam, or air

Full Title

Grates with hollow bars > externally cooled, e.g. with water, steam, or air

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

COMBUSTION APPARATUS; COMBUSTION PROCESSES

Subclass:

GRATES; CLEANING OR RAKING GRATES