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发明名称
Well point
摘要
申请公布号
US2100145(A)
申请公布日期
1937.11.23
申请号
US19360094675
申请日期
1936.08.06
申请人
MOORE THOMAS F
发明人
MOORE THOMAS F.
分类号
E03B3/12;E21B43/08
主分类号
E03B3/12
代理机构
代理人
主权项
地址
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