73333311
Oct 19, 1981
Nov 15, 1983
MARIO VILLA METALLI PREZIOSI S.R.L.
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Chemical Compounds Containing Either Silver or Gold-Namely, Potassium Silver Cyanide, Silver Nitrate, Silver Cyanide, Gold Potassium Cyanide, Yellow Gold Chloride and Brown Gold Chloride for Industrial and Laboratory Use
Gold Ingots and Gold and Silver Bars