by flap or slide valves

Full Title

Acetylene gas generators with carbide feed, with or without regulation by the gas pressure > with automatic carbide feed by valves > by flap or slide valves

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT

Subclass:

PRODUCTION OF ACETYLENE BY WET METHODS