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发明名称
Lubricating device
摘要
申请公布号
US2515900(A)
申请公布日期
1950.07.18
申请号
US19460639206
申请日期
1946.01.05
申请人
SCHULHOFF LEONARD J
发明人
SCHULHOFF LEONARD J.
分类号
F16N13/18
主分类号
F16N13/18
代理机构
代理人
主权项
地址
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