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发明名称
Fluid seal construction
摘要
申请公布号
US2697623(A)
申请公布日期
1954.12.21
申请号
US19510209683
申请日期
1951.02.06
申请人
NATIONAL MOTOR BEARING CO., INC.
发明人
MOSHER EZRA D.
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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