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发明名称
Means for raising liquids from great depths
摘要
申请公布号
US2751848(A)
申请公布日期
1956.06.26
申请号
US19510236152
申请日期
1951.07.11
申请人
SMITH EDWARD W
发明人
SMITH EDWARD W.
分类号
F04B49/12;F04B53/14;F04F7/00
主分类号
F04B49/12
代理机构
代理人
主权项
地址
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