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发明名称
Method for orienting cores
摘要
申请公布号
US2810548(A)
申请公布日期
1957.10.22
申请号
US19530394589
申请日期
1953.11.27
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
MARTINEZ JOSEPH D.
分类号
E21B47/026;G01V3/00;G01V3/40
主分类号
E21B47/026
代理机构
代理人
主权项
地址
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