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经营范围
发明名称
Improvements in and relating to Holders for Gem Stones
摘要
申请公布号
GB1171212(A)
申请公布日期
1969.11.19
申请号
GB19670002645
申请日期
1967.01.18
申请人
SPECTRUM DIAMONDS (PROPRIETARY) LIMITED
发明人
分类号
B23Q11/00;B23B31/20;B24B9/16
主分类号
B23Q11/00
代理机构
代理人
主权项
地址
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