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发明名称
Lubricating fitting
摘要
申请公布号
US2217740(A)
申请公布日期
1940.10.15
申请号
US19380225285
申请日期
1938.08.17
申请人
KEYSTONE LUBRICATING COMPANY
发明人
EHNTS FRED HENRY
分类号
F16N21/00
主分类号
F16N21/00
代理机构
代理人
主权项
地址
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