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发明名称
Verfahren zur Reinigung und Widerkonzentrierung von mit Kohlenwasserstoffen verunreinigter Schwefelsaeure
摘要
申请公布号
DE1767446(A1)
申请公布日期
1972.02.03
申请号
DE19681767446
申请日期
1968.05.10
申请人
PULLMAN INC.
发明人
EARL GOERS,WALTER
分类号
C01B17/92
主分类号
C01B17/92
代理机构
代理人
主权项
地址
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