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发明名称
Verfahren zur Verbesserung von Schmierölen.
摘要
申请公布号
AT153042(B)
申请公布日期
1938.04.11
申请号
ATD153042
申请日期
1935.07.08
申请人
RUHRCHEMIE AKTIENGESELLSCHAFT
发明人
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主分类号
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