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经营范围
发明名称
Improved fluid operated hammer
摘要
申请公布号
AU2834797(A)
申请公布日期
1998.01.15
申请号
AU19970028347
申请日期
1997.06.27
申请人
IAN GRAEME REAR
发明人
IAN GRAEME REAR
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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