having provision for air supply or air preheating, e.g. air-supply or blast fittings which form part of the grate structure or serve as supports

Full Title

Grates with solid bars > having provision for air supply or air preheating, e.g. air-supply or blast fittings which form part of the grate structure or serve as supports

Classification Context

Section:

MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

Class:

COMBUSTION APPARATUS; COMBUSTION PROCESSES

Subclass:

GRATES; CLEANING OR RAKING GRATES