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发明名称
Oil ejector
摘要
申请公布号
US2168493(A)
申请公布日期
1939.08.08
申请号
US19380185235
申请日期
1938.01.15
申请人
PLEWS RALPH G
发明人
PLEWS RALPH G.
分类号
F16N3/08
主分类号
F16N3/08
代理机构
代理人
主权项
地址
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