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发明名称
METHOD OF FRACTURING UNDERGROUND EARTH FORMATIONS
摘要
申请公布号
CA687938(A)
申请公布日期
1964.06.02
申请号
CAD687938
申请日期
申请人
PACIFIC NATURAL GAS EXPLORATION COMPANY
发明人
VICTOR E. PETERSON
分类号
主分类号
代理机构
代理人
主权项
地址
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