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发明名称
Shaft seal
摘要
申请公布号
US2259422(A)
申请公布日期
1941.10.14
申请号
US19390307977
申请日期
1939.12.07
申请人
CHICAGO SEAL COMPANY
发明人
KARLBERG ARVID E.
分类号
F16J15/38
主分类号
F16J15/38
代理机构
代理人
主权项
地址
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