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发明名称
Sealing device for rotary shafts
摘要
申请公布号
US2809854(A)
申请公布日期
1957.10.15
申请号
US19540464355
申请日期
1954.10.25
申请人
INGERSOLL-RAND COMPANY
发明人
MCGAHAN WALLACE A.
分类号
F04D29/12;F16J15/00
主分类号
F04D29/12
代理机构
代理人
主权项
地址
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