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发明名称
Improvements in filter bags
摘要
申请公布号
GB868180(A)
申请公布日期
1961.05.17
申请号
GB19590033006
申请日期
1959.09.29
申请人
THE W. W. SLY MANUFACTURING COMPANY
发明人
分类号
B01D46/02
主分类号
B01D46/02
代理机构
代理人
主权项
地址
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