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经营范围
发明名称
CONTINUOUS MINING MACHINE
摘要
申请公布号
GB2009285(A)
申请公布日期
1979.06.13
申请号
GB19780045061
申请日期
1978.11.17
申请人
FAIRCHILD INC
发明人
分类号
E21C27/20;E21C29/02;E21C35/20;(IPC1-7):E21C27/20
主分类号
E21C27/20
代理机构
代理人
主权项
地址
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