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经营范围
发明名称
Mineral extraction and transport device
摘要
申请公布号
GB2241005(A)
申请公布日期
1991.08.21
申请号
GB19910001806
申请日期
1991.01.28
申请人
* BOCHUMER EISENHUTTE HEINTZMANN GMBH & CO KG
发明人
KURT * PLAGA
分类号
E21C27/32
主分类号
E21C27/32
代理机构
代理人
主权项
地址
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