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发明名称
Haveuse pour exploitation minière
摘要
申请公布号
FR1421334(A)
申请公布日期
1965.12.17
申请号
FR19640981566
申请日期
1964.07.10
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
分类号
E21C27/02
主分类号
E21C27/02
代理机构
代理人
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