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经营范围
发明名称
Rodless well pump
摘要
申请公布号
GB377946(A)
申请公布日期
1932.08.04
申请号
GB19310002829
申请日期
1931.01.28
申请人
RODLESS PUMP COMPANY
发明人
分类号
F04B47/04
主分类号
F04B47/04
代理机构
代理人
主权项
地址
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