Removing in solid form from reaction vessels, containers and the like, e.g. by cutting out, by pressing

Full Title

Working-up pitch, asphalt, bitumen > Removing in solid form from reaction vessels, containers and the like, e.g. by cutting out, by pressing

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

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

Subclass:

WORKING-UP TAR, PITCH, ASPHALT, BITUMEN; PYROLIGNEOUS ACID