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经营范围
发明名称
LIMITING CONTAMINATION OF WASTE DISPOSAL WELLS
摘要
申请公布号
US3606925(A)
申请公布日期
1971.09.21
申请号
USD3606925
申请日期
1969.11.03
申请人
MARATHON OIL CO.
发明人
FRED H. POETTMANN
分类号
E21B43/20;(IPC1-7):B65G5/00
主分类号
E21B43/20
代理机构
代理人
主权项
地址
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