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发明名称
Locking a sample tube in a downhole hammer
摘要
申请公布号
AU3072895(A)
申请公布日期
1996.03.04
申请号
AU19950030728
申请日期
1995.08.01
申请人
SDS PACIFIC PTE LTD
发明人
FREDERICK GRAHAM MOIR
分类号
E21B25/00
主分类号
E21B25/00
代理机构
代理人
主权项
地址
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