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经营范围
发明名称
Borehole thermometer
摘要
申请公布号
US2183126(A)
申请公布日期
1939.12.12
申请号
US19380213119
申请日期
1938.06.11
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
UHRIG LEO V.
分类号
E21B47/06
主分类号
E21B47/06
代理机构
代理人
主权项
地址
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