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发明名称
Process of decolorizing mineral oil
摘要
申请公布号
US1974089(A)
申请公布日期
1934.09.18
申请号
US19310567211
申请日期
1931.10.06
申请人
CHESTER TIETIG
发明人
TIETIG CHESTER
分类号
C10G17/09
主分类号
C10G17/09
代理机构
代理人
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