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经营范围
发明名称
FUME-EXTRACTION SYSTEM
摘要
申请公布号
GB1537033(A)
申请公布日期
1978.12.29
申请号
GB19750004270
申请日期
1976.02.02
申请人
MARSHALL D
发明人
分类号
B01D46/00;B01D46/24;B01D46/52;B01D50/00;B01D53/60;(IPC1-7):B01J1/00
主分类号
B01D46/00
代理机构
代理人
主权项
地址
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