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经营范围
发明名称
MEANS TO ORIENT CORES
摘要
申请公布号
AU1946376(A)
申请公布日期
1978.05.18
申请号
AU19760019463
申请日期
1975.11.10
申请人
GEOCO PTY. LTD.
发明人
BARRY K. MCMAHON
分类号
E21B25/16;E21B47/12
主分类号
E21B25/16
代理机构
代理人
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地址
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