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发明名称
PRODUCING PETROLEUM FROM UNDERGROUND FORMATIONS
摘要
申请公布号
CA593522(A)
申请公布日期
1960.03.01
申请号
CAD593522
申请日期
申请人
TEXACO DEVELOPMENT CORPORATION
发明人
RICHARD H. WIDMYER
分类号
主分类号
代理机构
代理人
主权项
地址
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