by drop-by-drop water cocks connected with the gas-holder

Full Title

Acetylene gas generators with automatic water feed regulation by the gas-holder > by drop-by-drop water valves connected with the gas-holder > by drop-by-drop water cocks connected with the gas-holder

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