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发明名称
Sealing device for shafts
摘要
申请公布号
US2494971(A)
申请公布日期
1950.01.17
申请号
US19440533021
申请日期
1944.04.27
申请人
JET SHAFT SEALS, INC.
发明人
SUMMERS ORRAN B.
分类号
F16J15/42
主分类号
F16J15/42
代理机构
代理人
主权项
地址
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