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发明名称
MINERAL CUTTER PICK AND BOX
摘要
申请公布号
GB2137263(B)
申请公布日期
1986.05.21
申请号
GB19840008091
申请日期
1984.03.29
申请人
* TUNGSTEN CARBIDE DEVELOPMENTS LIMITED
发明人
PETER * BRUMFIELD
分类号
E21C35/187;E21C35/19;(IPC1-7):E21C35/18
主分类号
E21C35/187
代理机构
代理人
主权项
地址
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