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发明名称
Oil seal
摘要
申请公布号
US2576721(A)
申请公布日期
1951.11.27
申请号
US19480032621
申请日期
1948.06.12
申请人
EDWARD NELSON THOMAS
发明人
NELSON THOMAS EDWARD
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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