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发明名称
EARTH CORE SAMPLER
摘要
申请公布号
US3596719(A)
申请公布日期
1971.08.03
申请号
USD3596719
申请日期
1969.07.07
申请人
STEPHEN S. KOZISKI
发明人
STEPHEN S. KOZISKI
分类号
E21B49/02;E21B49/06;(IPC1-7):E21B11/02;G01N1/00
主分类号
E21B49/02
代理机构
代理人
主权项
地址
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