发明名称 MULTI-COLOR COIN AND MAKING METHOD THEREOF
摘要 The coin made of different materials in more than two colors presents a good appearance and makes forgery difficult. A metal raw coin material is plated to form a plated layer (2) to be punched to trim the rim and stamp a pattern in carving. The plated coin may be plated over the first plating to form another plating layer and show a different color.
申请公布号 KR940009119(B1) 申请公布日期 1994.10.01
申请号 KR19920011698 申请日期 1992.07.01
申请人 KOREA MINT CORP. 发明人 KIM, JAE - KYOM;KIM, JAE - DOK;YUN, JOM - HO;RYU, YOL;CHOE, JONG - HWA
分类号 A44C21/00;(IPC1-7):A44C21/00 主分类号 A44C21/00
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