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发明名称
EQUIPMENT FOR EXTRACTING AND CONVEYING STRATIFIED MINERALS
摘要
申请公布号
GB2213851(A)
申请公布日期
1989.08.23
申请号
GB19880024024
申请日期
1988.10.13
申请人
* BOCHUMER EISENHUTTE HEINTZMANN GMBH & CO KG
发明人
GUNTER * BLUMENTHAL;HEINZ * KUNZER;KURT * PLAGA
分类号
E21C25/56;E21C27/32;E21F13/06
主分类号
E21C25/56
代理机构
代理人
主权项
地址
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