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发明名称
Process of reclamation of crank case or used oils
摘要
申请公布号
US1851432(A)
申请公布日期
1932.03.29
申请号
US19300477582
申请日期
1930.08.25
申请人
IRELAND LEWIS J
发明人
IRELAND LEWIS J.
分类号
C10M175/00
主分类号
C10M175/00
代理机构
代理人
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地址
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