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发明名称
Oil sealed bearing
摘要
申请公布号
US2035519(A)
申请公布日期
1936.03.31
申请号
US19320640463
申请日期
1932.10.31
申请人
APPLE HERBERT F
发明人
APPLE HERBERT F.
分类号
F16N7/12
主分类号
F16N7/12
代理机构
代理人
主权项
地址
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