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发明名称
SHALE OIL EXTRACTION PROCESS
摘要
申请公布号
US3474863(A)
申请公布日期
1969.10.28
申请号
USD3474863
申请日期
1967.07.28
申请人
SHELL OIL CO.
发明人
HARRY A. DEANS;MICHAEL PRATS
分类号
E21B43/24;E21B43/263;E21B43/40;(IPC1-7):E21B39/00
主分类号
E21B43/24
代理机构
代理人
主权项
地址
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