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经营范围
发明名称
Mining unit
摘要
申请公布号
GB2077325(A)
申请公布日期
1981.12.16
申请号
GB19810015822
申请日期
1981.05.22
申请人
CENTRUM KONSTRUKCYJNO TECHNOLOGICZNE MASZYN GORNICZYCH K
发明人
分类号
E21C25/10;(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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