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发明名称
Oil control device
摘要
申请公布号
US2266974(A)
申请公布日期
1941.12.23
申请号
US19390289373
申请日期
1939.08.10
申请人
AUTOMATIC PRODUCTS COMPANY
发明人
JOHNSON ROY W.
分类号
主分类号
代理机构
代理人
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