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发明名称
Temperature recorder
摘要
申请公布号
US2914947(A)
申请公布日期
1959.12.01
申请号
US19560627591
申请日期
1956.12.11
申请人
UNION OIL COMPANY OF CALIFORNIA
发明人
STEGEMEIER RICHARD J.
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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