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经营范围
发明名称
SPLIT AIR CONVECTION PILE
摘要
申请公布号
US4111258(A)
申请公布日期
1978.09.05
申请号
US19760684828
申请日期
1976.05.10
申请人
EXXON PRODUCTION RESEARCH COMPANY
发明人
JAHNS, HANS O.;GALATE, JOSEPH W.;WHEELER, JR., JOHN A.
分类号
E02D3/115;E02D27/35;E21B36/00;(IPC1-7):F28D7/12;F28C3/00;F28F13/08
主分类号
E02D3/115
代理机构
代理人
主权项
地址
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