Combinations or arrangements of shafts

Full Title

Shaft or like vertical or substantially vertical furnaces > with two or more shafts or chambers, e.g. multi-storey > Combinations or arrangements of shafts

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

FURNACES; KILNS, OVENS OR RETORTS

Subclass:

FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS