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经营范围
发明名称
DISTILLATION TRAY
摘要
申请公布号
GB2053720(A)
申请公布日期
1981.02.11
申请号
GB19790020107
申请日期
1979.06.08
申请人
DAVY INTERNATIONAL (OIL & CHEMICALS) LTD
发明人
分类号
B01D3/16;B01D3/22;(IPC1-7):B01D3/20
主分类号
B01D3/16
代理机构
代理人
主权项
地址
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