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发明名称
SYSTEM FOR IDENTIFYING JEWELS
摘要
申请公布号
GB9226921(D0)
申请公布日期
1993.02.17
申请号
GB19920026921
申请日期
1992.12.24
申请人
E.R.C. CO. LTD
发明人
分类号
G01N21/87;G01D21/02;G01N33/38;G06Q50/00;G06Q50/10
主分类号
G01N21/87
代理机构
代理人
主权项
地址
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