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发明名称
Dual face rotary shaft seal assembly
摘要
申请公布号
US3368819(A)
申请公布日期
1968.02.13
申请号
US19650429972
申请日期
1965.02.03
申请人
THE TIMKEN ROLLER BEARING COMPANY
发明人
OTTO DENNIS L.
分类号
F16J15/34
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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