Arrangements for extraction or collection of waste gases; Hoods therefor

Full Title

Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases > Arrangements for extraction or collection of waste gases; Hoods therefor

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

FURNACES; KILNS, OVENS OR RETORTS

Subclass:

DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE