Supplying steam, vapour, gases or liquids

Full Title

Forming, maintaining or circulating atmospheres in heating chambers > Supplying steam, vapour, gases or liquids

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