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发明名称
Oiler
摘要
申请公布号
US2131441(A)
申请公布日期
1938.09.27
申请号
US19350025262
申请日期
1935.06.06
申请人
JUNG OSCAR H;HEFFELFINGER PAUL E
发明人
JUNG OSCAR H.;HEFFELFINGER PAUL E.
分类号
F16N7/12
主分类号
F16N7/12
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代理人
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地址
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