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发明名称
Sealing device for pumps
摘要
申请公布号
US2730954(A)
申请公布日期
1956.01.17
申请号
US19540441775
申请日期
1954.07.07
申请人
INGERSOLL-RAND COMPANY
发明人
HORNSCHUCH HANNS
分类号
F04D29/06;F04D29/10
主分类号
F04D29/06
代理机构
代理人
主权项
地址
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