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经营范围
发明名称
MINING PICKS
摘要
申请公布号
ZA8406960(B)
申请公布日期
1985.04.24
申请号
ZA19840006960
申请日期
1984.09.05
申请人
BOART INTERNATIONAL LIMITED
发明人
FREDERICK GEORGE HOLDEN;ROY COOPER
分类号
E21C
主分类号
E21C
代理机构
代理人
主权项
地址
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