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经营范围
发明名称
MINING MACHINE ROTARY CUTTING HEAD
摘要
申请公布号
GB1349873(A)
申请公布日期
1974.04.10
申请号
GBD1349873
申请日期
1971.03.26
申请人
GREEN BINGHAM LTD
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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