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经营范围
发明名称
SHAFT DRILLING
摘要
申请公布号
AU4059178(A)
申请公布日期
1980.04.17
申请号
AU19780040591
申请日期
1977.10.14
申请人
FRANKIPILE AUSTRALIA PTY. LTD.
发明人
TERENCE GEORGE JASPER
分类号
E21B3/04;E21B15/04;E21D1/03
主分类号
E21B3/04
代理机构
代理人
主权项
地址
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