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经营范围
发明名称
Well system
摘要
申请公布号
US2877849(A)
申请公布日期
1959.03.17
申请号
US19570666086
申请日期
1957.06.17
申请人
THE MORRISON COMPANY
发明人
MORRISON GEORGE F.;BREUL GEORGE B.;FRENTZEL HERMAN C.
分类号
F04D13/16
主分类号
F04D13/16
代理机构
代理人
主权项
地址
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