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经营范围
发明名称
MINING CUTTER DRUMS
摘要
申请公布号
GB1534201(A)
申请公布日期
1978.11.29
申请号
GB19770020114
申请日期
1977.05.13
申请人
EICKHOFF GEB;BERGWERKSVERBAND GMBH
发明人
分类号
E21C25/10;E21C35/18;(IPC1-7):E21C25/10
主分类号
E21C25/10
代理机构
代理人
主权项
地址
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