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发明名称
Pumping power
摘要
申请公布号
US1959806(A)
申请公布日期
1934.05.22
申请号
US19320584979
申请日期
1932.01.06
申请人
OIL WELL SUPPLY COMPANY
发明人
ANDERSON CARL M.
分类号
F04B9/02;F04B47/02
主分类号
F04B9/02
代理机构
代理人
主权项
地址
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