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发明名称
DICHTUNGSGLIED ZUR DICHTUNG VON MAGNETISCHEN FLUIDEN.
摘要
申请公布号
DE68913127(D1)
申请公布日期
1994.03.24
申请号
DE1989613127
申请日期
1989.03.31
申请人
NIPPON FERROFLUIDICS CORP., TOKIO/TOKYO, JP
发明人
ISHIKAWA, RYUHEI NIPPON FERROFLUIDICS CORPORATION, MINATO-KU TOKYO 107, JP
分类号
F16J15/43;H01F7/02;(IPC1-7):F16J15/40
主分类号
F16J15/43
代理机构
代理人
主权项
地址
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