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发明名称
pH-neutrale magnetische Flüssigkeit auf Basis einer wäßrigen Trägerflüssigkeit, Verfahren zu ihrer Herstellung sowie Verwendung
摘要
申请公布号
DE4325386(C2)
申请公布日期
1997.07.10
申请号
DE19934325386
申请日期
1993.07.23
申请人
POLYCHEMIE VELTEN GMBH, 16727 VELTEN, DE
发明人
GUENTHER, DIRK, 12587 BERLIN, DE
分类号
B03C1/32;H01F1/44;(IPC1-7):H01F1/44;G01N27/84
主分类号
B03C1/32
代理机构
代理人
主权项
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