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发明名称
Hydraulic pumping system
摘要
申请公布号
US1879262(A)
申请公布日期
1932.09.27
申请号
US19290382138
申请日期
1929.07.30
申请人
THE GUIBERSON CORPORATION
发明人
HUBBARD WILLIAM E.
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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