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发明名称
Art of drilling wells
摘要
申请公布号
US2651500(A)
申请公布日期
1953.09.08
申请号
US19480025072
申请日期
1948.05.04
申请人
TEXACO DEVELOPMENT CORPORATION
发明人
TEICHMANN CHARLES F.
分类号
C09K8/22
主分类号
C09K8/22
代理机构
代理人
主权项
地址
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