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经营范围
发明名称
MINING MACHINE
摘要
申请公布号
GB9323945(D0)
申请公布日期
1994.01.05
申请号
GB19930023945
申请日期
1993.11.20
申请人
HYDRA TOOLS INTERNATIONAL PLC
发明人
分类号
E21C27/24;E21C35/23
主分类号
E21C27/24
代理机构
代理人
主权项
地址
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