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经营范围
发明名称
DEGRITTING AND FIBRE REMOVAL SYSTEM
摘要
申请公布号
GB1500892(A)
申请公布日期
1978.02.15
申请号
GB19760000240
申请日期
1976.01.05
申请人
DORR OLIVER INC
发明人
分类号
B01D35/20;B01D36/04;B04C5/28;B04C9/00;(IPC1-7):B04C5/28;B07B1/46
主分类号
B01D35/20
代理机构
代理人
主权项
地址
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