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经营范围
发明名称
Wire drawing dies.
摘要
申请公布号
ZA9209183(B)
申请公布日期
1993.05.24
申请号
ZA19920009183
申请日期
1992.11.26
申请人
DE BEERS INDUSTRIAL DIAMOND DIVISION (PROPRIETARY) LIMITED
发明人
BERNARD ALAN JENNINGS;ANDREW IAN LLOYD
分类号
B21C
主分类号
B21C
代理机构
代理人
主权项
地址
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