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发明名称
Magnetic oil seal construction
摘要
申请公布号
US2589766(A)
申请公布日期
1952.03.18
申请号
US19450591980
申请日期
1945.05.04
申请人
EVELYN BRADLEY
发明人
BRADLEY EVELYN
分类号
F16J15/32;F16J15/53;H01F1/44
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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