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发明名称
Bearing housing seal
摘要
申请公布号
US1810370(A)
申请公布日期
1931.06.16
申请号
US19270171823
申请日期
1927.03.01
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
RAY JAMES L.
分类号
F16J15/44
主分类号
F16J15/44
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