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经营范围
发明名称
HYDROMECHANICAL MINING MACHINES
摘要
申请公布号
GB2026062(B)
申请公布日期
1983.03.02
申请号
GB19790025300
申请日期
1979.07.20
申请人
GUTEHOFFNUNGSHUETTE STERKRADE AG
发明人
分类号
E21C25/60;E21C27/32;(IPC1-7):E21C25/60
主分类号
E21C25/60
代理机构
代理人
主权项
地址
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