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发明名称
Self-lubricating fan
摘要
申请公布号
US1773833(A)
申请公布日期
1930.08.26
申请号
US19270240519
申请日期
1927.12.16
申请人
HOUDAILLE-HERSHEY CORPORATION
发明人
WEYDELL AXEL
分类号
F01P5/04
主分类号
F01P5/04
代理机构
代理人
主权项
地址
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