71409385
Aug 9, 1938
May 2, 1939
DEUTSCHE GOLD- UND SILBER SCHEIDEANSTALT VORMALS ROLSSLER DBA
CHEMICAL PRODUCTS FOR INDUSTRIAL USE, ESPECIALLY CHEMICAL COMPOUNDS USED IN THE HEAT TREATMENT OF METALS SUCH AS IRON, STEEL, LIGHT METALS SUCH AS ALUMINUM, MAGNESIUM AND ALLOYS, BRASS, COPPER
Metal Goods