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发明名称
Ventil fuer Ventilzwischenboeden in Stoffaustauschkolonnen
摘要
申请公布号
DE1270531(B)
申请公布日期
1968.06.20
申请号
DE19621270531
申请日期
1962.09.27
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N. V.
发明人
GOEDEREN CORNELIS WILLEM JOHANNES DE
分类号
B01D3/16;F16K1/20
主分类号
B01D3/16
代理机构
代理人
主权项
地址
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