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发明名称
Sealing device
摘要
申请公布号
US2703739(A)
申请公布日期
1955.03.08
申请号
US19500141653
申请日期
1950.02.01
申请人
INGERSOLL-RAND COMPANY
发明人
KOPLIN PETER F.
分类号
F16J9/28
主分类号
F16J9/28
代理机构
代理人
主权项
地址
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