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发明名称
Bearing surface
摘要
申请公布号
US1884208(A)
申请公布日期
1932.10.25
申请号
US19300427027
申请日期
1930.02.08
申请人
POLUSHKIN EUGENE P
发明人
POLUSHKIN EUGENE P.
分类号
F16C33/26
主分类号
F16C33/26
代理机构
代理人
主权项
地址
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