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发明名称
摘要
申请公布号
DE8903669(U1)
申请公布日期
1989.06.01
申请号
DE19890003669U
申请日期
1989.03.23
申请人
RHEINISCHE BRAUNKOHLENWERKE AG, 5000 KOELN, DE
发明人
分类号
B01D53/02;B01D53/04
主分类号
B01D53/02
代理机构
代理人
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