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经营范围
发明名称
Improvements in or relating to fluid actuated impact tools
摘要
申请公布号
GB713052(A)
申请公布日期
1954.08.04
申请号
GB19520017405
申请日期
1952.07.10
申请人
ROSS BASSINGER
发明人
分类号
E21B4/14
主分类号
E21B4/14
代理机构
代理人
主权项
地址
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