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经营范围
发明名称
Method of studying earth formations employing acetylene as a tracer gas
摘要
申请公布号
US2589219(A)
申请公布日期
1952.03.18
申请号
US19470743728
申请日期
1947.04.24
申请人
THE PURE OIL COMPANY
发明人
BOND DONALD C.;SAVOY MICHAEL
分类号
E21B47/10;G01N33/24
主分类号
E21B47/10
代理机构
代理人
主权项
地址
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