发明名称 BIMETALLIC COMPOSITE COIN BLANK FOR COINS, MEDALS AND THE LIKE
摘要 <p>A coin blank for the coining of coins, medals and like products, obtained by the forced joining of two metal parts, each of them being of different metal or metal alloy, one forming the internal central part and the other the external perimetrical part, said forced joining of said two component parts being carried out, in a definitive and inseparable way, preferably upon the minting operation.</p>
申请公布号 EP0080437(B1) 申请公布日期 1986.01.15
申请号 EP19820830225 申请日期 1982.08.25
申请人 ISTITUTO POLIGRAFICO E ZECCA DELLO STATO 发明人 IELPO, NICOLA
分类号 B21D53/44;A44C3/00;A44C21/00;B21C37/00;B21K25/00;B44B5/00;G07F1/06;(IPC1-7):A44C21/00 主分类号 B21D53/44
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