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经营范围
发明名称
Improvements in or relating to well logging tools
摘要
申请公布号
GB721023(A)
申请公布日期
1954.12.29
申请号
GB19530018841
申请日期
1953.07.07
申请人
SOCONY-VACUUM OIL COMPANY
发明人
分类号
G01V3/18
主分类号
G01V3/18
代理机构
代理人
主权项
地址
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