Method, the oxidation and other metals for being used for the means of the electrolysis by iron, steel, cast iron and copper electrolytically are covered with iron or shallow lake layers of copper layer in advance

摘要

106,774. Sestini, Q, Rondelli T. New 18,1916. Japanning. These-product is to immerse the mixture for being used for such as 10 minutes olive grease stains or linseed oil and mineral oil by special process with iron or Cu oxide, in 150-180 C. They can then be polished by brushing teeth.