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发明名称
Oil seal
摘要
申请公布号
US2613960(A)
申请公布日期
1952.10.14
申请号
US19490130484
申请日期
1949.12.01
申请人
EDWARD NELSON THOMAS
发明人
NELSON THOMAS EDWARD
分类号
F16C33/78;F16J15/36
主分类号
F16C33/78
代理机构
代理人
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