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发明名称
BOTTOM HOLE CATALYTIC HEATER
摘要
申请公布号
US3497000(A)
申请公布日期
1970.02.24
申请号
USD3497000
申请日期
1968.08.19
申请人
PAN AMERICAN PETROLEUM CORP.
发明人
KAROL L. HUJSAK;ELTON B. HUNT JR.;JOHN W. KIRKPATRICK
分类号
E21B36/02;(IPC1-7):E21B43/24
主分类号
E21B36/02
代理机构
代理人
主权项
地址
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