发明名称 CORROSION AND WEAR RESISTANT STOCK AND CORROSION AND WEAR RESISTANT COINS AND METHODS OF MANUFACTURING THEREOF
摘要 An electroplated blank is disclosed capable of having insignia minted on at least one face to form coins, medallions or tokens, the blank comprising a metallic core e.g. of steel, with an electroplated coating comprising 0.5 to 8% by weight tin, the balance copper, completely enveloping said blank and having a thickness of from about 5 mu m to about 50 mu m.
申请公布号 RU2091236(C1) 申请公布日期 1997.09.27
申请号 SU19914895147 申请日期 1991.04.01
申请人 SHERITT GORDON LIMITED 发明人 MITSIKHIRO YASUDA;MAJKL DZHON KHARVI RASKO;ALLAN KH.LI
分类号 C25D3/58;A44C21/00;B32B15/01;C22C9/02;C25D5/34;C25D5/50;C25D7/00;G07F1/06 主分类号 C25D3/58
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