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经营范围
发明名称
FILTERING DEVICE
摘要
申请公布号
GB8513665(D0)
申请公布日期
1985.07.03
申请号
GB19850013665
申请日期
1985.05.30
申请人
LITTLEFORD BROS INC
发明人
分类号
B01D29/075;B01F7/00;B01F7/04;B01F7/30;B01F13/00;B01F13/10;B01F15/00;F26B7/00;F26B11/12
主分类号
B01D29/075
代理机构
代理人
主权项
地址
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