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发明名称
Method and apparatus for identifying formation samples
摘要
申请公布号
US2414246(A)
申请公布日期
1947.01.14
申请号
US19420426006
申请日期
1942.01.08
申请人
SMITH ALONZO L
发明人
SMITH ALONZO L.
分类号
E21B47/10;E21B49/00
主分类号
E21B47/10
代理机构
代理人
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