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发明名称
Improvements in and relating to mineral mining machines
摘要
申请公布号
GB1011511(A)
申请公布日期
1965.12.01
申请号
GB19620001991
申请日期
1962.01.19
申请人
ANDERSON, BOYES & COMPANY LIMITED
发明人
ANDERSON JAMES
分类号
E21C35/12
主分类号
E21C35/12
代理机构
代理人
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