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发明名称
Method of repairing or replacing piping and inflatable plug
摘要
申请公布号
US4827984(A)
申请公布日期
1989.05.09
申请号
US19880188523
申请日期
1988.04.29
申请人
MOBIL OIL CORPORATION
发明人
YOUNG, JAMES R. F.;YORK, BRIAN W.;HEMINGWAY, KENNETH S.
分类号
F16L55/134;F16L55/16
主分类号
F16L55/134
代理机构
代理人
主权项
地址
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