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经营范围
发明名称
Process for improving lubricating oils
摘要
申请公布号
US1998350(A)
申请公布日期
1935.04.16
申请号
US19310557728
申请日期
1931.08.17
申请人
I. G. FARBENINDUSTRIE AKTIENGESELLSCHAFT
发明人
WULFF CARL;MOLL FRIEDRICH;BREUERS WILHELM
分类号
C10M143/00;C10M143/10;C10M143/12;C10M159/10
主分类号
C10M143/00
代理机构
代理人
主权项
地址
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