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发明名称
Well apparatus
摘要
申请公布号
US2838006(A)
申请公布日期
1958.06.10
申请号
US19550534728
申请日期
1955.09.16
申请人
U. S. INDUSTRIES, INC.
发明人
GARRETT HENRY U.;BROWN NORMAN F.
分类号
F04B47/12
主分类号
F04B47/12
代理机构
代理人
主权项
地址
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