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发明名称
Shaft bearing
摘要
申请公布号
US1987093(A)
申请公布日期
1935.01.08
申请号
US19320604771
申请日期
1932.04.12
申请人
ZERK OSCAR U
发明人
ZERK OSCAR U.
分类号
F16C32/02
主分类号
F16C32/02
代理机构
代理人
主权项
地址
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