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发明名称
Deep-well pump
摘要
申请公布号
US1796702(A)
申请公布日期
1931.03.17
申请号
US19290350174
申请日期
1929.03.27
申请人
WORTHINGTON PUMP AND MACHINERY CORPORATION
发明人
BENSON HARRY F.
分类号
F04D29/06
主分类号
F04D29/06
代理机构
代理人
主权项
地址
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