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贵金属冶金及精炼讨论会(Edelmetallverhüttungs und raffing raffinationsseminar).由国际贵金属协会(IPMI)主办,于1981年3月11～13日在美国纽约(NewYork)召开。第五届国际贵金属会议(5.Intem.Edelmetallkonterenz).
Hosted by the International Precious Metals Association (IPMI), Edelmetallhoff and undraffing raffinationsseminar was held on March 11-13, 1981 in New York, New York. Fifth International Precious Metals Conference (5.Intem.Edelmetallkonterenz).