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发明名称
DRAW-OFF DEVICE
摘要
申请公布号
GB8903008(D0)
申请公布日期
1989.03.30
申请号
GB19890003008
申请日期
1989.02.10
申请人
SHELL INTERNATIONAL RESEARCH MAATSCHAPPIJ BV
发明人
分类号
B01D11/04;B01D3/20
主分类号
B01D11/04
代理机构
代理人
主权项
地址
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