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经营范围
发明名称
AIR FILTER
摘要
申请公布号
GB9112713(D0)
申请公布日期
1991.07.31
申请号
GB19910012713
申请日期
1991.06.13
申请人
GOODWIN, THOMAS I
发明人
分类号
B01D
主分类号
B01D
代理机构
代理人
主权项
地址
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