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发明名称
METHOD OF RECOVERING OIL FROM OIL SANDS
摘要
申请公布号
CA634578(A)
申请公布日期
1962.01.16
申请号
CAD634578
申请日期
申请人
SVENSKA SKIFFEROLJE A.B.;HUSKY OIL COMPANY
发明人
FREDRIK LJUNGSTROM
分类号
主分类号
代理机构
代理人
主权项
地址
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