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发明名称
Improvements in pumping systems for wells
摘要
申请公布号
GB617286(A)
申请公布日期
1949.02.03
申请号
GB19460027877
申请日期
1946.09.17
申请人
BENDIX AVIATION CORPORATION
发明人
分类号
F01L23/00;F04B9/107;F04B11/00;F04B47/04
主分类号
F01L23/00
代理机构
代理人
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