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经营范围
发明名称
Purification of oil
摘要
申请公布号
US1919655(A)
申请公布日期
1933.07.25
申请号
US19290377763
申请日期
1929.07.12
申请人
BOCJL CORPORATION
发明人
HOFFMAN WALTER G.;MILLER JAMES R.
分类号
C10M175/00
主分类号
C10M175/00
代理机构
代理人
主权项
地址
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